This document provides an abstract for a PhD research project that aims to develop a framework called TRANSLATION for sharing archaeological excavation data on the Semantic Web in a transparent way. The framework will allow data providers to publish their data using their own ontologies, while also enabling alignments to other domain ontologies. This will address issues that arise when different conceptual models are mapped to a single ontology, which can mask important conceptual differences. The research will involve developing the TRANSLATION software framework as a case study and evaluating the benefits of the proposed approach for semantic technologies.
Reconstructing the Chaine operatoire through Semantically Linked Open DataMonika Solanki
The document discusses Monika Solanki's talk on reconstructing the chaîne opératoire (the sequence of technical steps involved in the manufacture of material culture) through semantically linked open data. The talk covers tracing networks of contacts across the Mediterranean from 1500-200 BCE using archaeological case studies, representing data in ontologies using vocabularies like CIDOC-CRM, generating linked datasets from relational databases, and a semantic explorer tool for archaeology.
A Framework for transforming archaeological databases to ontological datasetsMonika Solanki
The document presents a framework for transforming archaeological databases to ontological datasets. It uses ORM reverse engineering to extract data from databases into object structures. It then applies an ECA rule-based transformation using the DOTL language to generate ontology instances from the object structures. A prototype implements the framework to transform a loomweights dataset into RDF/OWL ontology instances.
The document discusses using microformats and Canonical Text Services (CTS) Uniform Resource Names (URNs) to link primary sources like classical texts to secondary sources that discuss or reference them. It proposes encoding citation references to primary sources semantically as microformats to allow for loose coupling between systems. This would make the linking system open-ended, language-neutral and distributed across services. The CTS URN system provides unambiguous identifiers for authors, works and text passages. Together, microformats and CTS URNs could enable new services like semantic parsing of citations and aggregating related information from different sources to support research.
This document provides an abstract for a PhD research project that aims to develop a framework called TRANSLATION for sharing archaeological excavation data on the Semantic Web in a transparent way. The framework will allow data providers to publish their data using their own ontologies, while also enabling alignments between ontologies so that alternative meanings can be explored. The research will include a literature review on the Semantic Web and its use in cultural heritage and archaeology. It will also implement a case study using data on Roman ports in the Western Mediterranean to test the TRANSLATION framework.
"Seeing God in Disaster": A Study on Typhoon Ondoy and the Filipino Youth (Fo...Dr. Vivencio (Ven) Ballano
The document discusses a study on the role of religious belief in how student victims of Typhoon Ondoy in the Philippines survived the disaster. It provides background on how religious beliefs have not been seriously studied in relation to disasters. The study aims to determine if the religious beliefs of Filipino youth in God were strengthened or weakened by Ondoy, and how those beliefs helped them during and after the disaster. Interviews with 25 student victims found that all said their belief in God was strengthened by surviving Ondoy. They described how their belief provided strength, hope, and positive thinking that helped them cope with the disaster and improve their lives after.
This document discusses different approaches to understanding the state - the juridical-normative approach and the empirical-descriptive approach. It then provides definitions and key elements of the state, including that it consists of a community occupying a territory with its own government and sovereignty. The document goes on to describe different types of societies and theories on the origins of the state, forms of government, political systems, roles of government in the economy, and differences between presidential, parliamentary, and traditional types of government.
This document presents a prayer for guidance in research endeavors. It asks God for enlightenment in formulating hypotheses, for inspiration and guidance in designing research according to God's will, and to use the researcher as an instrument to discern God's divine plan. It prays that research leads to finding God as the authentic reality, rather than just inferences from evidence of God's works.
Reconstructing the Chaine operatoire through Semantically Linked Open DataMonika Solanki
The document discusses Monika Solanki's talk on reconstructing the chaîne opératoire (the sequence of technical steps involved in the manufacture of material culture) through semantically linked open data. The talk covers tracing networks of contacts across the Mediterranean from 1500-200 BCE using archaeological case studies, representing data in ontologies using vocabularies like CIDOC-CRM, generating linked datasets from relational databases, and a semantic explorer tool for archaeology.
A Framework for transforming archaeological databases to ontological datasetsMonika Solanki
The document presents a framework for transforming archaeological databases to ontological datasets. It uses ORM reverse engineering to extract data from databases into object structures. It then applies an ECA rule-based transformation using the DOTL language to generate ontology instances from the object structures. A prototype implements the framework to transform a loomweights dataset into RDF/OWL ontology instances.
The document discusses using microformats and Canonical Text Services (CTS) Uniform Resource Names (URNs) to link primary sources like classical texts to secondary sources that discuss or reference them. It proposes encoding citation references to primary sources semantically as microformats to allow for loose coupling between systems. This would make the linking system open-ended, language-neutral and distributed across services. The CTS URN system provides unambiguous identifiers for authors, works and text passages. Together, microformats and CTS URNs could enable new services like semantic parsing of citations and aggregating related information from different sources to support research.
This document provides an abstract for a PhD research project that aims to develop a framework called TRANSLATION for sharing archaeological excavation data on the Semantic Web in a transparent way. The framework will allow data providers to publish their data using their own ontologies, while also enabling alignments between ontologies so that alternative meanings can be explored. The research will include a literature review on the Semantic Web and its use in cultural heritage and archaeology. It will also implement a case study using data on Roman ports in the Western Mediterranean to test the TRANSLATION framework.
"Seeing God in Disaster": A Study on Typhoon Ondoy and the Filipino Youth (Fo...Dr. Vivencio (Ven) Ballano
The document discusses a study on the role of religious belief in how student victims of Typhoon Ondoy in the Philippines survived the disaster. It provides background on how religious beliefs have not been seriously studied in relation to disasters. The study aims to determine if the religious beliefs of Filipino youth in God were strengthened or weakened by Ondoy, and how those beliefs helped them during and after the disaster. Interviews with 25 student victims found that all said their belief in God was strengthened by surviving Ondoy. They described how their belief provided strength, hope, and positive thinking that helped them cope with the disaster and improve their lives after.
This document discusses different approaches to understanding the state - the juridical-normative approach and the empirical-descriptive approach. It then provides definitions and key elements of the state, including that it consists of a community occupying a territory with its own government and sovereignty. The document goes on to describe different types of societies and theories on the origins of the state, forms of government, political systems, roles of government in the economy, and differences between presidential, parliamentary, and traditional types of government.
This document presents a prayer for guidance in research endeavors. It asks God for enlightenment in formulating hypotheses, for inspiration and guidance in designing research according to God's will, and to use the researcher as an instrument to discern God's divine plan. It prays that research leads to finding God as the authentic reality, rather than just inferences from evidence of God's works.
Lesson for High school students. This lesson provides a brief overview of the history of the U.S. while offering a brief look at the history and impact of political cartoons. Lesson allows student to work at their own pace and interest level.
The document discusses different concepts related to culture. It defines culture as stemming from the German word "Kultur" meaning civilization, and notes the shift from seeing culture as European art and refinement to a way of life of a particular group. Culture has both material components like tools and non-material components like beliefs and traditions. The document also discusses ethnocentrism, xenocentrism, cultural relativism and culture shock. It defines subcultures as portions of society with distinct patterns from the larger society, and countercultures as subcultures that openly oppose aspects of the larger society.
The document summarizes the Indian Reorganization Era from 1928 to 1945, also known as the "Indian New Deal". It discusses the reaction against the 1887 Dawes Act, the 1924 Indian Citizenship Act, and key figures like John Collier. The central policy was the 1934 Indian Reorganization Act, which ended the allotment of tribal lands and encouraged tribal self-government and economic development through corporations. While many tribes accepted the IRA, others rejected it as further intrusion by the federal government. The era also included job programs, educational reforms, and the growth of modern tribal governments and sovereignty.
This document provides an abstract for a PhD research project that aims to develop a framework called TRANSLATION for sharing archaeological excavation data on the Semantic Web in a transparent way. The framework will allow data providers to publish their data using their own ontologies, while also enabling alignments to other domain ontologies. This will address issues that arise when different conceptual models are mapped to a single ontology, which can mask important conceptual differences. The research will involve developing the TRANSLATION software framework as a case study and evaluating the benefits of the proposed approach for semantic technologies.
This ethnographic analysis seeks to understand how the Jurisprudence’s notion of the “rule of law”,
with its norms of objectivity, neutrality and impartiality, is actualized in criminal courtroom
hearings of a regional trial court in Metro Manila. It argues that the production of justice and
oral textuality of law are precarious, subject to negotiation, and shaped by the power dynamics
that takes place inside the courtroom, particularly through the disciplinary powers of language,
interpretation, translation, and decision making. The analysis reveals the inadequacy of the
Philippine judicial system to address the problems of subjectivism and partiality in deciding
criminal cases.
Published in Loyola Schools Review, Social Science Edition. Ateneo de Manila University. Vol. 1. December 2001.
Business Plan for Branded Marketing, makers of Pr1maCard and owners of 1-800-TARJETAS and www.1800tarjetas.com. This is a great investment opportunity for a savvy VC. We look forward to hearing from you. For a copy of the financials, please do not hesitate to email us at web@1800tarjetas.com.
This is a brief exposition on the history, nature and basic processes in filmmaking. This can be used in Humanities classes on the topic--the art of motion picture or film.
Political cartoons offer views of American history and often convey messages. This presentation includes many political cartoons from different time periods in American history, ranging from Benjamin Franklin's "Join or Die" in 1754 to cartoons about recent events. The viewer can click on cartoons for more information about the artists or historical context.
This document discusses the meaning and principles of separation of church and state under the Philippine constitution. It outlines that there shall be no law establishing an official religion or appropriating public funds for religious purposes. It also states that every person has freedom of religion and belief, and religious ministers can freely practice their calling. Certain exceptions are provided for assigning chaplains to the armed forces and other government institutions. It also analyzes examples of potential violations of separation of church and state.
Law, Politics, and Morality in the Philippines (Follow me on Twitter@setectiv...Dr. Vivencio (Ven) Ballano
This presentation is based on Chapter I of the E-book of the author, "Juricial-Sociological Approach to Law, Politics, and Constitution in the Philippines
Philippine History: The Spanish Colonization (Follow me on Twitter@detectiveb...Dr. Vivencio (Ven) Ballano
The document provides details about Ferdinand Magellan's expedition to the Philippines in 1521 and the beginning of Spanish colonization. It discusses Magellan establishing the Philippines' location on world maps, introducing Christianity including the first mass in Cebu, and his death in the Battle of Mactan against Lapu-Lapu. It then summarizes Miguel Lopez de Legazpi's colonization efforts in the 1500s, including establishing settlements in Cebu, Panay and Manila through peace accords with leaders and the establishment of the encomienda and polo systems of governance and labor.
This presentation contains information regarding gifted students and tips for teachers with respect to providing gifted students appropriate educational opportunities.
The Semantic Web is a vision of information that is understandable by computers. Although there is great exploitable potential, we are still in "Generation Zero'' of the Semantic Web, since there are few real-world compelling applications. The heterogeneity, the volume of data and the lack of standards are problems that could be addressed through some nature inspired methods. The paper presents the most important aspects of the Semantic Web, as well as its biggest issues; it then describes some methods inspired from nature - genetic algorithms, artificial neural networks, swarm intelligence, and the way these techniques can be used to deal with Semantic Web problems.
1. Semantic mapping involves connecting metadata structures like schemas and ontologies, as well as connecting vocabularies of values like knowledge organization systems and knowledge bases.
2. Significant progress has been made in mapping metadata structures to enable interoperability and data integration, though mapping knowledge organization systems remains a challenge due to the sparseness of links between concepts.
3. While automatic mapping tools have improved, manual mapping remains important and applications of mappings could be better categorized to inform mapping requirements and evaluation.
SENESCHAL: Semantic ENrichment Enabling Sustainability of arCHAeological Link...CIGScotland
Presented at Linked Open Data: current practice in libraries and archives (Cataloguing & Indexing Group in Scotland 3rd Linked Open Data Conference), Edinburgh, 18 Nov 2013
Development of a Controlled Natural Language Interface for Semantic MediaWikiJie Bao
The document describes the development of a controlled natural language interface for Semantic MediaWiki. The system, called WikiOnt-CNL, allows users to edit ontologies in Semantic MediaWiki using controlled natural languages like Rabbit. Semantic templates are used to provide ontology verbalizations in the controlled natural language. This allows non-experts to collaboratively create, edit and understand semantically enriched ontological content without knowledge of formal logic or ontology languages.
The present society is considered an information society. A society where the creation, distribution, use, integration, and manipulation of digital information have become the most significant activity in all aspects. Information is producing from every sector of any society, which has resulted in an information explosion. Modern technologies are also having a huge impact. So managing this voluminous information is really a tough job. Again WWW has opened the door to connect anyone or anything within a fraction of a second. This study discussed the Semantic Web and linked data technologies and their effect and application to libraries for the handling of various types of resources.
Web Mining Based Framework for Ontology Learningcsandit
Today, the notion of Semantic Web has emerged as a prominent solution to the problem oforganizing the immense information provided by World Wide Web, and its focus on supporting
a better co-operation between humans and machines is noteworthy. Ontology forms the major
component of Semantic Web in its realization. However, manual method of ontology
construction is time-consuming, costly, error-prone and inflexible to change and in addition, it requires a complete participation of knowledge engineer or domain expert. To address this
issue, researchers hoped that a semi-automatic or automatic process would result in faster and
better ontology construction and enrichment. Ontology learning has become recently a major
area of research, whose goal is to facilitate construction of ontologies, which reduces the effort
in developing ontology for a new domain. However, there are few research studies that attempt
to construct ontology from semi-structured Web pages. In this paper, we present a complete
framework for ontology learning that facilitates the semi-automation of constructing and
enriching web site ontology from semi structured Web pages. The proposed framework employs
Web Content Mining and Web Usage mining in extracting conceptual relationship from Web.
The main idea behind this concept was to incorporate the web author's ideas as well as web
users’ intentions in the ontology development and its evolution.
I Linked Open Data nei Beni Culturali, alcuni progetti e casi di studioCulturaItalia
Maria Emilia Masci, Scuola Normale Superiore, Linked Open Data (LOD): Un’Opportunità per il Patrimonio Culturale Digitale, Roma, ICCU, 29 novembre 2013
Chemical Semantics at Sopron CC Conference sopekmir
The document discusses applying Semantic Web technologies to computational chemistry data. It introduces the Chemical Semantics Portal, a testbed for exploring how to publish and retrieve computational chemistry data using Semantic Web standards. The rest of the document covers basics of the Semantic Web, challenges with current web technologies, core Semantic Web technologies like RDF and OWL, and examples of representing chemistry data and concepts as ontologies.
The document discusses applying Semantic Web technologies to computational chemistry data. It introduces the Chemical Semantics Portal, a testbed for exploring how to publish and retrieve computational chemistry data using the Semantic Web. The goal is to create a linked data network for computational chemistry results that allows for more effective discovery and analysis compared to existing isolated data silos. The document provides an overview of the Semantic Web and linked data principles and how they can help address challenges with today's large but fragmented web of scientific data.
This document summarizes key concepts from a paper on the CIDOC Conceptual Reference Model (CRM), an ontology for semantic interoperability of cultural heritage data. It discusses the CRM's property-centric approach and methodology, which aims for read-only integration of heterogeneous cultural data sources. The CRM is designed to reconstruct possible past worlds from loosely correlated historical records in a way that allows for monotonic extension of the ontology over time without revising existing definitions.
Lesson for High school students. This lesson provides a brief overview of the history of the U.S. while offering a brief look at the history and impact of political cartoons. Lesson allows student to work at their own pace and interest level.
The document discusses different concepts related to culture. It defines culture as stemming from the German word "Kultur" meaning civilization, and notes the shift from seeing culture as European art and refinement to a way of life of a particular group. Culture has both material components like tools and non-material components like beliefs and traditions. The document also discusses ethnocentrism, xenocentrism, cultural relativism and culture shock. It defines subcultures as portions of society with distinct patterns from the larger society, and countercultures as subcultures that openly oppose aspects of the larger society.
The document summarizes the Indian Reorganization Era from 1928 to 1945, also known as the "Indian New Deal". It discusses the reaction against the 1887 Dawes Act, the 1924 Indian Citizenship Act, and key figures like John Collier. The central policy was the 1934 Indian Reorganization Act, which ended the allotment of tribal lands and encouraged tribal self-government and economic development through corporations. While many tribes accepted the IRA, others rejected it as further intrusion by the federal government. The era also included job programs, educational reforms, and the growth of modern tribal governments and sovereignty.
This document provides an abstract for a PhD research project that aims to develop a framework called TRANSLATION for sharing archaeological excavation data on the Semantic Web in a transparent way. The framework will allow data providers to publish their data using their own ontologies, while also enabling alignments to other domain ontologies. This will address issues that arise when different conceptual models are mapped to a single ontology, which can mask important conceptual differences. The research will involve developing the TRANSLATION software framework as a case study and evaluating the benefits of the proposed approach for semantic technologies.
This ethnographic analysis seeks to understand how the Jurisprudence’s notion of the “rule of law”,
with its norms of objectivity, neutrality and impartiality, is actualized in criminal courtroom
hearings of a regional trial court in Metro Manila. It argues that the production of justice and
oral textuality of law are precarious, subject to negotiation, and shaped by the power dynamics
that takes place inside the courtroom, particularly through the disciplinary powers of language,
interpretation, translation, and decision making. The analysis reveals the inadequacy of the
Philippine judicial system to address the problems of subjectivism and partiality in deciding
criminal cases.
Published in Loyola Schools Review, Social Science Edition. Ateneo de Manila University. Vol. 1. December 2001.
Business Plan for Branded Marketing, makers of Pr1maCard and owners of 1-800-TARJETAS and www.1800tarjetas.com. This is a great investment opportunity for a savvy VC. We look forward to hearing from you. For a copy of the financials, please do not hesitate to email us at web@1800tarjetas.com.
This is a brief exposition on the history, nature and basic processes in filmmaking. This can be used in Humanities classes on the topic--the art of motion picture or film.
Political cartoons offer views of American history and often convey messages. This presentation includes many political cartoons from different time periods in American history, ranging from Benjamin Franklin's "Join or Die" in 1754 to cartoons about recent events. The viewer can click on cartoons for more information about the artists or historical context.
This document discusses the meaning and principles of separation of church and state under the Philippine constitution. It outlines that there shall be no law establishing an official religion or appropriating public funds for religious purposes. It also states that every person has freedom of religion and belief, and religious ministers can freely practice their calling. Certain exceptions are provided for assigning chaplains to the armed forces and other government institutions. It also analyzes examples of potential violations of separation of church and state.
Law, Politics, and Morality in the Philippines (Follow me on Twitter@setectiv...Dr. Vivencio (Ven) Ballano
This presentation is based on Chapter I of the E-book of the author, "Juricial-Sociological Approach to Law, Politics, and Constitution in the Philippines
Philippine History: The Spanish Colonization (Follow me on Twitter@detectiveb...Dr. Vivencio (Ven) Ballano
The document provides details about Ferdinand Magellan's expedition to the Philippines in 1521 and the beginning of Spanish colonization. It discusses Magellan establishing the Philippines' location on world maps, introducing Christianity including the first mass in Cebu, and his death in the Battle of Mactan against Lapu-Lapu. It then summarizes Miguel Lopez de Legazpi's colonization efforts in the 1500s, including establishing settlements in Cebu, Panay and Manila through peace accords with leaders and the establishment of the encomienda and polo systems of governance and labor.
This presentation contains information regarding gifted students and tips for teachers with respect to providing gifted students appropriate educational opportunities.
The Semantic Web is a vision of information that is understandable by computers. Although there is great exploitable potential, we are still in "Generation Zero'' of the Semantic Web, since there are few real-world compelling applications. The heterogeneity, the volume of data and the lack of standards are problems that could be addressed through some nature inspired methods. The paper presents the most important aspects of the Semantic Web, as well as its biggest issues; it then describes some methods inspired from nature - genetic algorithms, artificial neural networks, swarm intelligence, and the way these techniques can be used to deal with Semantic Web problems.
1. Semantic mapping involves connecting metadata structures like schemas and ontologies, as well as connecting vocabularies of values like knowledge organization systems and knowledge bases.
2. Significant progress has been made in mapping metadata structures to enable interoperability and data integration, though mapping knowledge organization systems remains a challenge due to the sparseness of links between concepts.
3. While automatic mapping tools have improved, manual mapping remains important and applications of mappings could be better categorized to inform mapping requirements and evaluation.
SENESCHAL: Semantic ENrichment Enabling Sustainability of arCHAeological Link...CIGScotland
Presented at Linked Open Data: current practice in libraries and archives (Cataloguing & Indexing Group in Scotland 3rd Linked Open Data Conference), Edinburgh, 18 Nov 2013
Development of a Controlled Natural Language Interface for Semantic MediaWikiJie Bao
The document describes the development of a controlled natural language interface for Semantic MediaWiki. The system, called WikiOnt-CNL, allows users to edit ontologies in Semantic MediaWiki using controlled natural languages like Rabbit. Semantic templates are used to provide ontology verbalizations in the controlled natural language. This allows non-experts to collaboratively create, edit and understand semantically enriched ontological content without knowledge of formal logic or ontology languages.
The present society is considered an information society. A society where the creation, distribution, use, integration, and manipulation of digital information have become the most significant activity in all aspects. Information is producing from every sector of any society, which has resulted in an information explosion. Modern technologies are also having a huge impact. So managing this voluminous information is really a tough job. Again WWW has opened the door to connect anyone or anything within a fraction of a second. This study discussed the Semantic Web and linked data technologies and their effect and application to libraries for the handling of various types of resources.
Web Mining Based Framework for Ontology Learningcsandit
Today, the notion of Semantic Web has emerged as a prominent solution to the problem oforganizing the immense information provided by World Wide Web, and its focus on supporting
a better co-operation between humans and machines is noteworthy. Ontology forms the major
component of Semantic Web in its realization. However, manual method of ontology
construction is time-consuming, costly, error-prone and inflexible to change and in addition, it requires a complete participation of knowledge engineer or domain expert. To address this
issue, researchers hoped that a semi-automatic or automatic process would result in faster and
better ontology construction and enrichment. Ontology learning has become recently a major
area of research, whose goal is to facilitate construction of ontologies, which reduces the effort
in developing ontology for a new domain. However, there are few research studies that attempt
to construct ontology from semi-structured Web pages. In this paper, we present a complete
framework for ontology learning that facilitates the semi-automation of constructing and
enriching web site ontology from semi structured Web pages. The proposed framework employs
Web Content Mining and Web Usage mining in extracting conceptual relationship from Web.
The main idea behind this concept was to incorporate the web author's ideas as well as web
users’ intentions in the ontology development and its evolution.
I Linked Open Data nei Beni Culturali, alcuni progetti e casi di studioCulturaItalia
Maria Emilia Masci, Scuola Normale Superiore, Linked Open Data (LOD): Un’Opportunità per il Patrimonio Culturale Digitale, Roma, ICCU, 29 novembre 2013
Chemical Semantics at Sopron CC Conference sopekmir
The document discusses applying Semantic Web technologies to computational chemistry data. It introduces the Chemical Semantics Portal, a testbed for exploring how to publish and retrieve computational chemistry data using Semantic Web standards. The rest of the document covers basics of the Semantic Web, challenges with current web technologies, core Semantic Web technologies like RDF and OWL, and examples of representing chemistry data and concepts as ontologies.
The document discusses applying Semantic Web technologies to computational chemistry data. It introduces the Chemical Semantics Portal, a testbed for exploring how to publish and retrieve computational chemistry data using the Semantic Web. The goal is to create a linked data network for computational chemistry results that allows for more effective discovery and analysis compared to existing isolated data silos. The document provides an overview of the Semantic Web and linked data principles and how they can help address challenges with today's large but fragmented web of scientific data.
This document summarizes key concepts from a paper on the CIDOC Conceptual Reference Model (CRM), an ontology for semantic interoperability of cultural heritage data. It discusses the CRM's property-centric approach and methodology, which aims for read-only integration of heterogeneous cultural data sources. The CRM is designed to reconstruct possible past worlds from loosely correlated historical records in a way that allows for monotonic extension of the ontology over time without revising existing definitions.
ONTOLOGY SERVICE CENTER: A DATAHUB FOR ONTOLOGY APPLICATIONIJwest
With the growth of data-oriented research in humanities, a large number of research datasets have been
created and published through web services. However, how to discover, integrate and reuse these distributed
heterogeneous research datasets is a challenging task. Ontology is the soul between series digital humanities
resources, which provides a good way for people to discover and understand these datasets. With the release
of more and more linked open data and knowledge bases, a large number of ontologies have been produced
at the same time. These ontologies have different publishing formats, consumption patterns, and interactions
ways, which are not conductive to the user’s understanding of the datasets and the reuse of the ontologies.
The Ontology Service Center platform consists of Ontology Query Center and Ontology Validation Center,
mainly using linked data and ontology-based technologies. The Ontology Query Center realizes the functions
of ontology publishing, querying, data interaction and online browsing, while the Ontology Validation
Center can verify the status of using certain ontologies in the linked datasets. The empirical part of the paper
uses the Confucius portrait as an example of how OSC can be used in the semantic annotation of images. In
a word, the purpose of this paper is to construct the applied ecology of ontology to promote the development
of knowledge graphs and the spread of ontology.
ONTOLOGY SERVICE CENTER: A DATAHUB FOR ONTOLOGY APPLICATION dannyijwest
With the growth of data-oriented research in humanities, a large number of research datasets have been
created and published through web services. However, how to discover, integrate and reuse these distributed
heterogeneous research datasets is a challenging task. Ontology is the soul between series digital humanities
resources, which provides a good way for people to discover and understand these datasets. With the release
of more and more linked open data and knowledge bases, a large number of ontologies have been produced
at the same time
The common use by archaeologists of ubiquitous technologies such as computers and digital cameras means that archaeological research projects now produce huge amounts of diverse, digital documentation. However, while the technology is available to collect this documentation, we still largely lack community accepted dissemination channels appropriate for such torrents of data. Open Context (http://www.opencontext.org) aims to help fill this gap by providing open access data publication services for archaeology. Open Context has a flexible and generalized technical architecture that can accommodate most archaeological datasets, despite the lack of common recording systems or other documentation standards. Open Context includes a variety of tools to make data dissemination easier and more worthwhile. Authorship is clearly identified through citation tools, a web-based publication systems enables individuals upload their own data for review, and collaboration is facilitated through easy download and other features. While we have demonstrated a potentially valuable approach for data sharing, we face significant challenges in scaling Open Context up for serving large quantities of data from multiple projects.
Building capacity for open science - COASP MeetingKaitlin Thaney
The document discusses building capacity for open science. It outlines current challenges including a lack of incentives for open research. Examples are provided of open science practices like code as a research object and open iterative development. The need to teach web literacy in research and lower barriers to participation is discussed. Sustaining open science requires further adoption incentives, professional development supports, and helping scale community-driven efforts.
Researcher Reliance on Digital Libraries: A Descriptive AnalysisIJAEMSJORNAL
The digital library is an information technology that is structured as a digital knowledge resource, or can be alluded to a medium that stores information for a huge scope and is teamed up with the information the board gadget equipped for showing the information or information required by the client. Digital libraries can be extensively characterized as an information stockpiling and recovery frameworks that control digital information in the media (text, pictures, sound, static or dynamic) on the web. The main aim of this study is to study the awareness and using pattern of digital library by the researchers, to analyse the influence of digital library on researchers’ efficiency, analyse the purpose of using Digital Library Consortium, decide the effect of problems and motivational components of the digital library on the users, evaluate the satisfaction level of users with coverage of journals and perspectives on training and awareness programs and propose the available resources for effective utilization of the Digital Library.
The document discusses how semantic web technologies like ontologies, linked open data, and knowledge graphs can benefit cultural heritage applications. It provides ArCo, an Italian cultural heritage knowledge graph, as an example. ArCo converts Italian cultural property catalog records from XML to RDF, and uses ontologies to represent cultural heritage concepts and logically connect data from different sources. This enriches data and improves interoperability. The document outlines how ArCo can be explored through its SPARQL endpoint, visualizations, and other tools.
Development of an E-Learning System Incorporating Semantic WebIJORCS
This document presents a framework for developing an e-learning system using Semantic Web technology. The framework incorporates ontologies to semantically describe learning content and materials. It provides services like registration, uploading course documents, tutorials, announcements and a semantic search engine. The framework uses technologies like PHP, Apache Web Server, MySQL and RAP to implement the e-learning system. The authors believe this Semantic Web-based model allows for more personalized and flexible access to learning materials compared to traditional e-learning systems.
This document is the proposal for the TRACKOER project that is supported by the JISC Open Educational Resources Rapid Innovation programme (OERRI). In TRACKOER we are developing potential solutions to how to keep track of content in the open. We are looking both at ways to follow content as it moves from one server to another and then gets reused, and at how to capture other changes that people may make with cut and paste editing. The rationale for the project is to understand whether content gets reused but it also offers a model that could help track other activity around shared content. More about the project progress is available via http://track.olnet.org/ and the project blog at http://cloudworks.ac.uk/tag/view/TrackOER .
How to Fix the Import Error in the Odoo 17Celine George
An import error occurs when a program fails to import a module or library, disrupting its execution. In languages like Python, this issue arises when the specified module cannot be found or accessed, hindering the program's functionality. Resolving import errors is crucial for maintaining smooth software operation and uninterrupted development processes.
Executive Directors Chat Leveraging AI for Diversity, Equity, and InclusionTechSoup
Let’s explore the intersection of technology and equity in the final session of our DEI series. Discover how AI tools, like ChatGPT, can be used to support and enhance your nonprofit's DEI initiatives. Participants will gain insights into practical AI applications and get tips for leveraging technology to advance their DEI goals.
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.
Walmart Business+ and Spark Good for Nonprofits.pdfTechSoup
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
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Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
How to Build a Module in Odoo 17 Using the Scaffold MethodCeline George
Odoo provides an option for creating a module by using a single line command. By using this command the user can make a whole structure of a module. It is very easy for a beginner to make a module. There is no need to make each file manually. This slide will show how to create a module using the scaffold method.
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UPRAHUL
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
How to Add Chatter in the odoo 17 ERP ModuleCeline George
In Odoo, the chatter is like a chat tool that helps you work together on records. You can leave notes and track things, making it easier to talk with your team and partners. Inside chatter, all communication history, activity, and changes will be displayed.
This presentation was provided by Steph Pollock of The American Psychological Association’s Journals Program, and Damita Snow, of The American Society of Civil Engineers (ASCE), for the initial session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session One: 'Setting Expectations: a DEIA Primer,' was held June 6, 2024.
हिंदी वर्णमाला पीपीटी, hindi alphabet PPT presentation, hindi varnamala PPT, Hindi Varnamala pdf, हिंदी स्वर, हिंदी व्यंजन, sikhiye hindi varnmala, dr. mulla adam ali, hindi language and literature, hindi alphabet with drawing, hindi alphabet pdf, hindi varnamala for childrens, hindi language, hindi varnamala practice for kids, https://www.drmullaadamali.com
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.
How to Make a Field Mandatory in Odoo 17Celine George
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
1. UNIVERSITY OF SOUTHAMPTON
Faculty of Engineering and Applied Science
School of Electronics and Computer Science
ABSTRACT
The TRANSLATION Framework for Archaeological Excavation Data:
Transparent Negotiation and Sharing of Local Application Terminologies, Instances and
Ontologies. A progress report submitted for continuation towards a PhD
by Leif Isaksen
The Semantic Web is rapidly maturing thanks to consolidation of its technologies and an
incipient body of linked data available to the public. Nevertheless, there is a danger that
we may throw the baby out with the bathwater. Whilst the utility of bridging separate
conceptualizations of a domain through explicit specifications (ontologies) is clear, it
does not follow that we want to abandon the original data models. The purpose of this
research will be to investigate SW methodologies that loosely-couple local ontologies so
that the semantic structures they embody are still accessible to the end-user for
comparison and analysis.
The discipline of archaeology provides an excellent case-study in this regard. The
fragmentary nature of its sources, and the diverse theoretical approaches of its
practitioners render any attempt to establish a universal ‘world-view’ impossible. The
result, whilst superficially homogenous, conceals conceptual rifts which may be of great
significance. The need to express one’s work in terms of another’s ontology can also give
rise to concerns of disenfranchisement that impede user adoption. A successful Semantic
Web methodology should first permit contributors to describe their own data in their own
(ontological) terms, and then provide the resources by which any user can create (or
select) alignments to other Domain or Application ontologies.
This research aims to develop a process by which resource providers are able to publish
their data to the Semantic Web in a manner that keeps its semantic origins as transparent
as possible via an explicit ontology. Thereafter, alignment should be made possible in a
‘pluggable’ fashion so that alternative combinations of meaning can be explored. Its
primary output will be the TRANSLATION Framework: a piece of modular open source
software deployed as a case study to explore the benefits of Semantic technologies. This
report is intended to provide both computer scientists and archaeologists with a plan of
the work to be undertaken.
2. The TRANSLATION Framework for Archaeological Excavation Data 2
Contents
INTRODUCTION 3
SECTION I: LITERATURE REVIEW 4
The Semantic Web 4
The Semantic Web in Cultural Heritage 5
The Semantic Web in Archaeology 7
Architectures 10
SECTION II: RESEARCH OBJECTIVE 11
Overview 11
Use Cases 11
Key Design Criteria (in order of priority): 13
Case Study for Implementation: Roman Ports in the Western Mediterranean 13
Data Sources 14
SECTION III: WORK TO DATE 16
Provisional Architecture 16
Experimentation 18
SECTION IV: FUTURE WORK 21
REFERENCES 22
GLOSSARY OF TECHNICAL TERMS 30
3. The TRANSLATION Framework for Archaeological Excavation Data 3
Introduction
Since bursting into the public consciousness in 2001 [1], the Semantic Web (SW) has
come a long way, with development and consolidation of technologies, several large-
scale international conferences annually and an incipient body of linked data available to
the public. The possibilities of a machine-readable Web and semantic interoperability are
inching closer to reality. Nonetheless, there is a danger, exemplified in many applications
of SW technology, that we may throw the baby out with the bathwater. Whilst the utility
of bridging separate conceptualizations of a domain through explicit specifications
(ontologies) is clear, it does not follow that we want to abandon those original data
models altogether. Indeed, various philosophers have argued that understanding concepts
can only be done with reference to the framework of meaning in which they are
embedded [2,3]. The purpose of this research will be to investigate SW methodologies
that keep ontologies loosely-coupled so that the semantic structures they embody are still
accessible to the end-user for comparison and analysis.
The discipline of archaeology provides an excellent case-study in this regard. The
fragmentary nature of its sources, and the diverse theoretical approaches of its
practitioners render any attempt to establish a universal ‘world-view’ impossible. Whilst
high-level Domain Ontologies such as the CIDOC CRM may provide a semantic lingua
franca, they also inevitably mask both the complexities and limitations of the lower-level
(frequently implicit) Application Ontologies from which data is derived [4]. The result,
whilst superficially homogenous, may conceal conceptual rifts which are of great
significance. The need to express one’s work in terms of another’s ontology can also give
rise to concerns of disenfranchisement that impede user adoption [5]. A successful
Semantic Web methodology should first permit contributors to describe their own data in
their own (ontological) terms, and then provide the resources by which any user can
create (or select) alignments to other Domain or Application ontologies.
This research aims to develop a process by which resource providers are able to publish
their data to the Semantic Web in a manner that keeps its semantic origins as clear as
possible via an explicit ontology. Thereafter, alignment should be made possible in a
‘pluggable’ fashion so that alternative combinations of meaning can be explored. Its
primary output will be the TRANSLATION1 Framework: a piece of modular open source
software deployed as a case study to explore the benefits of Semantic technologies.
This report is intended to provide both computer scientists and archaeologists with a plan
of the research to be undertaken. Section I reviews the literature on the use of SW
technology in Cultural Heritage and archaeology, and finishes with a discussion of
relevant architectural decisions. Section II gives an overview of the planned research,
including the case-study. Section III describes a provisional design for the software and a
provisional design for the software. Section IV outlines a timetable for future
development. A glossary of technical terms is provided at the back.
1
TRAnsparent Negotiation and Sharing of Local Application Terminologies, Instances
and ONtologies
4. The TRANSLATION Framework for Archaeological Excavation Data 4
Section I: Literature Review
The Semantic Web
The idea of a ‘web of data’, in contrast to a ‘web of documents’, goes back almost to the
earliest days of the World Wide Web [6]. The ability to aggregate information across
multiple repositories without the danger of conceptual conflation would hugely improve
our ability to make meaningful queries that are not determined by arbitrary data structures
and boundaries. Although a vast repository of human-readable content is available online,
the well known challenges associated with Natural Language Processing and implicit
semantics render it largely useless for machine inference. By being explicit about the
semantic content of data ‘fragments’ however, the potential is opened up for automated
(or semi-automated) integration and cross-querying, thereby increasing the informatory
power of the internet by an order of magnitude.
Research over the last decade has meant that the technologies by which to formalize these
semantics, in particular Universal Resource Identifiers (URIs), Resource Description
Framework (RDF) along with its SPARQL query language, and the Web Ontology
Language (OWL)[7-10], are now well established. High-level services which enable data
suppliers or third parties to disseminate, manipulate or ‘mash-up’ information using these
techniques are increasingly available (for example, [11]). This bundle of concepts and
technologies is frequently referred to as the ‘Semantic Web’, but that phrase has come
now come to mean both
A. A body of semantically interlinked data hosted across the internet
B. The set of formal and conceptual technologies used to create and embody that data
This is an important distinction because many early successes, most notably in e-Science
and medicine (for example, [12]), have related to projects that integrate data held between
institutions for research purposes, rather than disseminate it to the general public. It is in
large part this lack of publicly accessible semantic data that has restricted further viral
growth and it remains true that, as of June 2008, there are still only islands of information
available and they apply to limited domains. This is of paramount concern, for although
the community of interested users has grown and there is an increasing number of local
success stories in applying such technology, it has not yet been sufficient to provoke
uptake on a global scale. Whether this will require a so-called 'killer app' or merely a
critical mass of users is unclear, but it is at least certain that utility will grow with
increased adoption. Developments (such as the Linked Data Initiative [13]) which seek to
maximize connectivity across semantic web applications, will play a key role in this
process. Moreover, considerable work needs to be done at domain level - in the words of
three protagonists of the SW vision, “the ontologies that will furnish the semantics for the
Semantic Web must be developed, managed, and endorsed by practice communities”[6].
However, the tools for its creation have matured rapidly and Jim Hendler has noted that
two strands of development have emerged: a ‘top-down’, ontology-driven approach,
focused on providing semantically consistent knowledge-bases for a given domain, and
‘bottom-up’ data-driven techniques concerned with integrating heterogenous information
from the web [14]. Both have much to offer, and each must be carefully evaluated and
5. The TRANSLATION Framework for Archaeological Excavation Data 5
exploited by those tasked with selecting appropriate technologies if they are to mitigate
the headaches frequently associated with applying new paradigms to legacy data.
The Semantic Web in Cultural Heritage
The Cultural Heritage sector has been aware of the potential power of the Semantic Web
for some time, and the Museums and archives community in particular have been quick
to explore it. This has taken the form of both theoretical discussions and practical
implementation. The former has generally been through workshops and symposia which
tend to generate a combination of excitement and skepticism. The DigiCULT Project [15]
brought together a panel of 13 European experts in 2003 to discuss SW development in
cultural heritage but the plethora of nascent (and competing) technologies at that stage,
along with an apparent dependence on the agent-based applications mentioned in the
seminal 2001 Scientific American article [1] led to talk of the Semantic Web as a
‘Shangri-La” surrounded by a “veil of mystery”. Nonetheless, a number of participants
concluded that “they would put their money on the Semantic Web” even whilst other
contributors maintained that “the heritage sector is likely to be left behind”. In a similar
vein, the Semantic Web Think Tank project, a series of workshops funded by the AHRC,
concluded in 2008 that “There is no coherent answer to the question ‘How do I do the
Semantic Web?’ and almost no information with which to make an informed decision
about technologies, platforms, models and methodologies.” This appeared to create a gap
between the vision and the reality of SW “which critically undermines the ability of the
sector to move forward in a clear and constructive way.” [16].
Some of this pessimism may be due to a misunderstanding - several references in these
this text and meeting reports [17] refer to non-semantic services (Flickr tagging, Google
Base, Yahoo Pipes, etc.) normally associated with the broader (and vaguer) banner
concept of ‘Web 2.0’. Whilst the latter is indeed a confusing and frequently contradictory
array of techniques and technologies, the Semantic Web has had a relatively clear road-
map ever since its inception [18] and the tools for its creation are reasonably well
defined. It is therefore difficult to know whether their concerns at this level are misplaced
(a full report will be published in summer 2008). Nevertheless, if this information is not
filtering down to the wider community, then such progress is of little value. And it is true
that there is still no one-stop-shop or even simple entry point for those who wish to
engage with the Semantic Web.
In parallel to these theoretical debates, a number of organisations have been tackling
more concrete problems, with perhaps the most important development being the
establishment of a Domain Ontology known as the Conceptual Reference Model (or
CRM) created by the Comité International pour la Documentation des Musées (CIDOC)
[19]. The CIDOC CRM is intended to cover the full spectrum of Cultural Heritage
knowledge - from Archaeology to Art History - and has recently been extended to cover
the production of literary and musical entities in more depth. Although currently
incorporating 84 entity types and 141 property types it is remarkably compact and
efficient given its extremely broad scope. It also has an inherently epistemological
flavour in order to deal with the innate uncertainty of information about the past [20]. It
received ISO standard status in 2006 (ISO 21127:2006) and is now the dominant
Domain Ontology in Cultural Heritage. The greatest challenge in mapping legacy
datasets to the CIDOC CRM however, has been the considerable mental leap required of
6. The TRANSLATION Framework for Archaeological Excavation Data 6
both museum creators and their technical staff to map their datasets to such an abstract
conceptualisation. Although CIDOC have had a number of successes in mapping legacy
data to the ontology[21,22], and encourage an adaptive approach which restricts and/or
extends the ontology, the process generally requires extensive collaboration between
curators, IT professionals and CRM experts [23]. The recent release of the AMA tool
[24] may help to ease this process, but there are still too few case-studies for a formal
evaluation of its utility. A recent article by its chief architect also provides some
interesting insights into its future direction [25].
Further to this central development, several project groups have been successful at
producing end-to-end semantic systems:
MuseumFinland/CultureSampo [26,27] The first major deployment of Semantic Web
technologies in the Museum sector was the MuseumFinland project’s provision of tools
and services so that Finnish museums could present their collections online through a
common semantic web interface. A Domain Ontology was developed for the project and
contributing institutions make their data available as XML. This is then mapped to the
Domain Ontology although the approach is reflexive and new concepts can be added
globally where required. A website allows users to search and browse cultural artefacts in
a ‘follow-your-nose’ fashion via their properties. Coming second in the 2004 Semantic
Web Challenge, it also forms part of a wider initiative by the Finnish government to
semantically enable public web services. A follow up project, the CultureSampo portal,
extended the MuseumFinland ontology in order to represent events and processes. This
enables the embedding of artefacts in narratives, helping to provide greater
contextualisation.
ARTISTE/SCULPTEUR/eCHASE [23,28,29] Building on the previous ARTISTE
project which provided cross-archival search capabilities for high-profile galleries using
RDF, SCULPTEUR used an ontology-driven approach to provide adaptive search and
visualisation mechanisms for 2D and 3D objects. Datatypes include digital images, 3D
models, associated metadata, free text documents and numerical tables. Museum
databases were mapped to the CIDOC CRM (with several extensions) and an ontology of
the system components enabled dynamic interface modification to suit the heterogeneous
nature of the data returned. Key amongst these navigation widgets was the mSpace
browser [30]. Machine interoperability was created using a Z39.50-based Search &
Retrieve Webservice protocol. The ensuing eCHASE project, funded by the European
commission, was more directly focussed on the creation of a toolset and framework by
which third parties could both contribute and draw multimedia entities from a
semantically integrated network of repositories across Europe, chiefly with the aim of
catalysing increased exploitation of otherwise moribund resources.
MultimediaN E-culture/CHIP@STITCH [31,32] MultimediaN E-culture is prototype
system that brings together multiple online cultural heritage repositories in the
Netherlands. Winner of the Semantic Web Challenge 2006 at the International Semantic
Web Confence 2006, it is very much aimed at public users and non-technical researchers
with a generic browser, ‘/facet’, that enables user to explore the databases along any facet
- whether artist, genre, period or otherwise [33]. Application Ontologies were developed
for individual databases as well as the Getty thesauri (AAN, TGN & ULAN) [34] and
7. The TRANSLATION Framework for Archaeological Excavation Data 7
then aligned by hand. The CHIP browser, drawing on ontology mappings from the
CATCH STITCH project, as well as MultiMediaN E-culture, combines data from the
Rijksmuseum’s ARIA database with RDF from the IconClass and Getty thesauri. The
results are used to provide an automated Artwork Recommender that creates suggestions
based on users ‘rating’ other examples as well as personalised tours of the museum that
can be downloaded to a handheld device.
Contexta/SR [35] Contexta/SR, developed at Federico Santa Maria Technical
University, Chile, also federates heterogeneous cultural heritage repositories, choosing to
adopt a more diverse array of services and ontologies, many of which (ISAD, FOAF, and
the W3C Geo Ontology) were developed outside the cultural heritage sector. In their
view this creates an important natural interface to other SW repositories which is lacking
from the CIDOC CRM. XSLT templates transform XML data dumps into RDF which is
then ‘ingested’ into several central repositories via a predominantly manual filtering
process. This provides a core dataset in which it is hoped that an ‘ecosystem’ of
applications can grow, ‘mashing-up’ heritage items with contextual information
elsewhere on the web. An important aspect of this work is their use of resolvable URIs in
order to support the Linked Data Intiative [13].
Whilst all of these projects and others (see, for example [21,36,37]) have remained
confident that semantic approaches can prove highly beneficial, they also generally
underline the difficulty of mapping legacy datasets to ontologies - especially those with a
high degree of complexity. Visualisation tools for RDF must also be carefully thought
through in order to avoid drowning users in superfluous information. Although these
early adopters have done a great deal of pioneering spade-work, it is clear that challenges
remain. Two in particular provide an agenda for this work. The first is the conceptual
challenge of mapping an implicit ontology instantiated in a relational database to a
different explicit domain ontology instantiated in RDF. This has typically been done
using XSLT applied to an XML dump which requires the simultaneous application of
high level technical and domain expertise. The second issue is that the rationale behind
individual elements of the mapping is difficult to document, and alternative mappings are
inhibited by the need to repeat this difficult process. A process which separates this task
into two stages – viz, mapping to a bespoke local ontology, followed by alignment with a
domain ontology – would greatly mitigate these problems.
The Semantic Web in Archaeology
In contrast to the Museums community, the Semantic Web has seen less uptake in
archaeology to date, despite promising beginnings as early as 2001 [38]. This is mainly
due to a traditional focus within the archaeological computing community on analysis
and recording rather than dissemination. The ‘bleeding edge’ nature of current SW
technology also puts it out of the range of many field practitioners whose experience is
frequently limited to relational database and/or spatial data management. Funding streams
for large scale restructuring of datasets are also less prevalent, with a greater emphasis on
initial recording, especially in countries with a heavy reliance on developer-funded rescue
archaeology. Nevertheless, the potential benefits to the archaeological field are
significant. The great majority of archaeological data is now rendered digital at some
stage within the recording process but it has recently been argued that there has been an
8. The TRANSLATION Framework for Archaeological Excavation Data 8
“information explosion” with the result that “field archaeology has drifted out of control”
and now overwhelms those tasked with interpreting it [39]. Much of this is due to the
complexity of combining siloed resources. In contrast, a regrettable lack of pressure to
concentrate on the outward-facing aspects of their work has allowed many academic
archaeologists to remain protective of their data, especially where it is not already
published in traditional media [40].
Whilst a demonstration of the potential advantage of SW technologies could have a major
impact on attitudes to recording, storage and dissemination strategies, it needs to be
undertaken with consideration for the specific needs of the community. Foremost
amongst these are low budgets for IT infrastructure and training which could constitute a
major hurdle in ontology development [41]. Secondly, content is frequently of a different
nature to the multimedia-centric concerns of museums, consisting more typically of
widely divergent ‘contexts’ comprising bundles of numerical and categorical values.
SKOS services for commonly used thesauri may be particularly useful in this regard [42].
The need to perform large scale statistical analyses over these entities also means that
‘follow-your-nose’ faceted browsers (such as /facet, mSPace, Longwell or Autofocus
[33,30,43,44]) are of limited (if still important) application. Instead, it may be necessary
to build interfaces that are context dependent, in order to visualise the varying types of
data (contexts, locations, typologies, finds etc.) effectively. As the success of any web-
based approach requires widespread uptake, it will therefore be necessary to reduce these
barriers to entry as much as possible, even if this reduces the potential efficacy of the
technology to some degree in the short-term.
The following projects highlight some of the main work undertaken in this space so far:
VBI-ERAT-LUPA [22] An early example of the use of the CIDOC CRM in the
archaeological sphere, the VBI-ERAT-LUPA project aggregated data from several large
databases of roman finds into a central triplestore using an XML-based export process.
The approach appears to have been successful but was undertaken with minimal fanfare
and access to the data is still via a fairly traditional website that does not emphasise any
potential gain from merging the resources (users must access each via a separate web-
form). If the data is available as resolvable RDF however, it could provide an extremely
important contextualising dataset for other archaeological SW projects.
CIDOC CRM-EH/STAR [45,46] In 2004 the English Heritage Research and Standards
Group undertook a project in conjunction with CIDOC to develop a CRM extension that
would adequately describe the wide variety of archaeological datasets which they hold in-
house as well as permit integration with excavation data from County Councils. This is an
important step forward for archaeologists, as the CRM was developed with a focus on the
needs of the museums and archive community in mind. Following this work, the STAR
project, run in partnership with the Hypermedia Research Unit, University of Glamorgan,
is now developing tools to help third-party organisations map their resources to this
ontology. These include SKOS services that are capable of providing archaeological
thesauri (such as those provided at [47]), and a demonstrator of several archaeological
databases aggregated into RDF following the CRM-EH ontology.
ArcheoServer [48] Undertaken by the Department of Informatics, Systems and
Communication, University of Milan-Bicocca, the Archaeoerver project has developed an
9. The TRANSLATION Framework for Archaeological Excavation Data 9
ontology and navigation and editing tools for an e-library on pre- and proto-history in
Italy. It is now starting work on the integration of excavation datasets in the Po Valley
region. Interestingly, it has selected not to use the CIDOC CRM, but instead to ‘roll its
own’ ontology using the NavEditOW ontology editor [49]. This may in part be due to a
relative degree of homogeneity in such datasets, as prescribed by Italian law and similar
work has produced an extremely complex ontology elsewhere [50].
Archaeology Platform (@PL) [51] This project, developed by the Vienna University of
Applied Science, is attempting to create a generic peer-to-peer server framework that
specifically utilises the CIDOC CRM for integrating excavation data. The project scope
was presented at CAA 2008 and it is still in mid-development cycle, but the intention is
to open-source the technology after the initial phase, possibly in October. If this approach
is successful it could provide a key architectural component for further work in this field,
but without a concrete implementation and case study to date, no further evaluation is
possible.
Virtual Environment for Research in Archaeology [52] The VERA project, based at
the University of Reading, has mainly focused on SOA techniques to increase the utility
of the Integrated Archaeological Database (IADB) developed by the University of York.
As a further goal they now intend to explore approaches for integrating the IADB with
other archaeological datasets. They are currently developing a peer-to-peer server
framework based on Tycho [53] that shares data between the IADB and the Vindolanda
database hosted at Oxford. The intention is to incorporate RDF technology so that it can
be used as the basis for a broader archaeological data-integration system.
These projects and others (see [54-59]) demonstrate the interest that SW technology is
beginning to excite in some corners of the discipline, but also the necessity of a
significant IT resource and knowledge-base at this stage of its evolution. However,
awareness is growing and with many of the key technologies already freely available, the
discipline is now well positioned to join the Museums community in restructuring its
dissemination methods. In order to encourage more archaeologists to participate however,
it will be crucial not only to demystify the technology but also to demonstrate the
concrete benefits of participation to both the overall community and the contributors
themselves.
One of the principle means by which to do this will be to stress its potential relevance for
multivocality within the discipline [5]. This can be at many levels, from the use of
different theoretical frameworks by separate research institutions to indigenous
communities expressing local/traditional interpretations of the material record. Whereas
the World Wide Web (and especially the Web 2.0 phenomenon) has greatly enhanced the
participatory aspects of global knowledge sharing, it is poor at abstracting information
from context: data aggregation (e.g. RSS feeds) often loses vital contextual information
[25]. In contrast, the Semantic Web has the capability to maintain such information, but is
frequently used to homogenise data, once again losing the context from which much of its
original meaning is derived. In order to have a truly multivocal archaeological knowledge
space, the original semantic context needs to be easily accessible. It is this goal which the
current research seeks to attain.
10. The TRANSLATION Framework for Archaeological Excavation Data 10
Architectures
As we have seen above, the wide range of work undertaken in the domain during this
initial period of development in SW technologies has led to considerable diversity in their
approaches. This makes architectural decisions difficult as there are still no well-
established and documented methodologies for the full life-cycle of a SW project.
Nonetheless, we can discern several key trends emerging from which to choose, each
with their own exemplars. With this information in hand, we can evaluate the key
technologies they have used in order to develop a suitable approach for a particular
project.
The first distinction is between processes which centralise the data (e.g. MuseumFinland,
Contexta/SR and UBI-ERAT-LUPA) and those which keep it distributed (e.g.
MultiMediaN, @PL, VERA). Whilst the former approach has many advantages in terms
of simplicity in maintenance and was used frequently in early projects, there are a number
of problems with it. Generally speaking, any methodology which seeks to integrate data
from separate institutions which regularly update their information will have to
implement an architecture that leaves them in full control of their data. This could be
done using either a master-slave model (with a centralised control server), or as a peer-to-
peer network. Although the former is a simpler architecture, it requires that one
institution take responsibility for the whole framework, whilst the latter is more in
keeping with the provision of a ‘web of data’ that has no single point of failure. Whilst
de-centralising data is not necessary in order separate out individual ontologies (these can
still be held in the same triple-store) it clearly lends itself to a more distributed semantic
structure as well.
The second consideration is whether data should be exported to an RDF store prior to
querying and integration, or whether it can be mapped dynamically on-the-fly. There are
currently few if any cultural heritage applications of the second approach but it is
beginning to become more common elsewhere with DBpedia [60] as a notable example.
In terms of maintenance these approaches are more or less equivalent. Dynamic systems
have the advantage of providing a ‘live-update’, so that information entered into a
relational database does not need to be regularly updated, but they are dependent on a
mapping server such D2R Server[61] or DartGrid [62] which can provide a SPARQL
endpoint for querying. This may also provide restrictions on inferencing capabilities.
Dumping the data on the other hand, requires either that users remember to export their
data to the RDF store or that a polling mechanism does this regularly. As this process can
be resource intensive it may also cause unwelcome performance issues. Finally, in either
case there will be a requirement for specific components to remain permanently ‘live’,
whether it be the database and server, or the triplestore. As the priorities of different
contributors are like to vary, it may not be possible to find a one-size-fits-all solution, and
a unified peer-to-peer architecture may need to incorporate facilities for both approaches.
11. The TRANSLATION Framework for Archaeological Excavation Data 11
Section II: Research Objective
Overview
The ultimate objective of the research is to develop a semantic framework for
archaeological knowledge integration that maintains ontological transparency between
data sources.
Whilst previous work in this field is increasingly successful at combining complex
resources, this still involves reinterpreting legacy data systems within a generic ontology
and important information is being lost in this process. The framework will therefore
keep sources separate, and provide tools for each to expose its data in accordance with an
Application Ontology that reflects its internal structure. Alignment between ontologies
will be ‘pluggable’ thereby allowing users to experiment with alternative interpretations.
There are a number of benefits to this approach:
Information generated form different methodological approaches can be
•
integrated losslessly
Different alignments between ontologies can be experimented with where these
•
are contended
Original ontologies themselves can be browsed by users
•
By separating mapping from alignment, the process is made conceptually simpler.
•
This does include some extra costs however:
Each source repository will have to develop and maintain its own ontology along
•
with a default alignment to a Domain ontology.
There may be added complexity in inferencing and querying.
•
Deliverables will be:
An open source implementation forming the semantic framework for a specific
•
case study.
A guide that details the framework in a modular fashion so that other projects can
•
implement it, incorporating new developments where appropriate.
The Framework will be specifically deployed amongst participating organizations in the
Roman Ports in the Western Mediterranean project (see below).
Use Cases
In order to better assess the utility of a given framework, three particular Use Cases will
be considered.
12. The TRANSLATION Framework for Archaeological Excavation Data 12
Use Case 1: Integration
To encourage participation and increase uptake, both in the current project and amongst
potential adopters, it will be necessary to provide facilities that make integration of local
datasets to the framework as painless as possible. It is envisaged that a participating
contributor will have access to an easily downloadable open source software package that
can be installed on an off-the-shelf Linux or Windows box. Once installed it will provide
tools that permit them to
Create a Application Ontology that makes explicit the semantics of their dataset
•
Map their database to the Application Ontology
•
Align the Application Ontology with other Application or Domain Ontologies.
•
In the first instance this is likely to require considerable assistance, but a Wiki
Knowledge-base will be created in order to aid future participants. General technical
documentation will also be available along with links to appropriate database
connectivity drivers where appropriate. Once mapped, data will be made available to the
framework either dynamically or by export to a triplestore component of the server.
Contributor databases are likely to contain a mixture of both public and restricted data, so
it will need to be possible to specify whether elements of the mapping are ‘accessible’ or
‘inaccessible’. Inaccessible data will not be made available to the network.
Use Case 2: Browsing
In order to grant instant access to the data in human-readable form, as well as provide
some of the concrete benefits of a Semantic Web approach, a Web Application will be
developed. The primary function will be to contextualise entities within the RDF
datagraph. Using a combination of widgets to provide, e.g., faceted browsing, node
browsing, webmapping, timelining and automated graph plotting, a user should be
provided with information relevant to any given entity (find, archaeological context,
period, location, etc.). Using a follow-your-nose paradigm, clicking on an associated link
will reconfigure the application appropriately in order to display the new entity and its
own contextual information. An important addition to traditional semantic web browsing
will be inclusion of an ontology browser, that allows users to also visualize the semantic
structure(s) of the dataset(s) to which a given entity belongs.
Use Case 3: Developer API
The power of the Semantic Web lies predominantly in its potential for future developers
to repurpose information in as-yet-unthought-of ways. To quote the JISC Common
Repository Interfaces Group (CRIG), “The coolest thing to do with your data will be
thought of by someone else” [63]. A SPARQL endpoint will provide the minimal
functionality for data access, but a web API will also be implemented in order to provide
information about entities, ontologies, thesauri, framework implementation information
and utility services.
13. The TRANSLATION Framework for Archaeological Excavation Data 13
Key Design Criteria (in order of priority):
Added value
The framework must demonstrably increase the research potential of the data by enabling
human and computational inferences to be made about data and its context which were
not previously possible due to either technological or resource limitations.
Ease of use
Whilst the initial process of dataset integration will inevitably require a considerable level
of technical knowledge, it is important to keep maintenance levels low and provide a user
interface that enables non-technical users to engage with the data.
Robustness
The framework must show a reasonable level of robustness and structural integrity and
ideally should have no single point of failure. Core components should not require
regular maintenance, assuming deployment in a stable environment.
Generic
Although it is important to ensure fitness-for-purpose with regard to the case study, this
research will also provide an important exemplar for future work on archaeological data
integration. As such, it should use generic and open source components wherever
possible, in order to improve reusability.
It is difficult to benchmark such criteria in any absolute sense, but evaluation will be done
in the form of regular (pre-, mid- and post-project) questionnaires to project partners.
They will be asked to comment on all the above areas, and indicate points for special
attention. Potential points of failure can then be addressed correspondingly. Regular
dialogue will also be maintained with technical representatives of each partner institution.
All interaction with project partners will be done in consultation with the university’s
Ethics Committee.
Case Study for Implementation: Roman Ports in the Western
Mediterranean
The Roman Ports in the Western Mediterranean project [64], directed by Prof. Simon
Keay and Dr. Graeme Earl (British School at Rome/University of Southampton), is an
investigation into the relationship of Portus (the principal port of Rome in the Imperial
era) to ports in the Western Mediterranean basin. The principal methodology is to look at
the co-presence of ceramics and marble at a range of key port sites as a means of gauging
fluctuating trans-Mediterranean connections during the Roman period. Source data
14. The TRANSLATION Framework for Archaeological Excavation Data 14
comprises harbour and shipwreck excavation databases from a variety of academic and
research institutions. As an international endeavour, requiring the synthesis of large
quantities of data with heterogeneous format but restricted scope, it provides an ideal
opportunity to work through the issues specific to the archaeological community in
deploying semantic web technologies. In particular, the wide range of theoretical
approaches, including contested typologies and recording methodologies, make this a
challenge that is expressly suited to the techniques described above.
An important element of the project consists of annual themed workshops held at the
British School at Rome. At the first of these, held in March 2008 [65], an agreement was
reached between a number of institutional resource directors to mutually contribute data
to a common framework which is to be developed specifically for the purpose (See Data
Sources, below). Following a presentation by the candidate at the workshop, it was
further agreed to use this PhD research as the foundation of that framework with data
contributors providing appropriate local technical knowledge where required. The
framework should permit all data providers with access to the complete combined dataset
by means of a common web interface. Ultimately this should also be made available to
the general public although this may not necessarily be in the first instance.
Data Sources
The following catalogue is a brief description of resources likely to be contributed. It is
hoped that all resources can be utilised but if serious technical or legal issues arise (lack
of local technical support, licensing issues, etc.) then individual repositories may be
dropped. Integration of three or more datasets will be considered the minimum sufficient
for successful completion.
University of Southampton, UK [66]
OS: Windows
DB: ARK (MySQL)
Contents notes: Data from the ongoing Portus excavation. Records are currently few but
are expected to increase considerably over the next two seasons
Contact: Graeme Earl
Archaeological Data Service (ADS), UK [67]
OS: Windows
DB: MS Access
Contents notes: Amphora typologies. Approx. 300 records
Contact: Michael Charno
ASMOSIA, Catalan Institute of Classical Archaeology, Spain [68]
OS: Windows
DB: FileMaker
Contents notes: Marble finds. 4 tables w/ approx. 5,500 records
Contact: Anna Gutierrez
Institute for Archaeological and Monumental Heritage, Italy [69]
OS: Windows
15. The TRANSLATION Framework for Archaeological Excavation Data 15
DB: MS Access
Contents notes: All ceramics finds in Sicily dated from Late Hellenistic to Late Roman
period
Contact: Daniele Malfitana
Institute for Studies of Ancient Culture, Austrian Academy of Sciences [70]
OS: Windows
DB: FileMaker
Contents notes: Amphora finds from Ephesus. Approx. 15,000 records
Contact: Tamas Bezeczky
University of Leuven (K.U.Leuven), Belgium [71]
OS: Windows
DB: MS Access
Contents notes: ICRATES database. Database recording large number of ceramics
deposits and their publications. It contains 6 tables and approx. 25,000 records
Contact: Jeroen Poblome
Other
Other potential datasets include those from the University of Aix-en-Provence, the
University of Oxford, the University of Seville, the University of Cadiz, and the Society
for Libyan Studies.
16. The TRANSLATION Framework for Archaeological Excavation Data 16
Section III: Work To Date
Work undertaken so far has predominantly focused on:
1. Reviewing the literature on similar work and relevant technologies
2. Establishing a case study
3. Developing a provisional schema for the framework architecture
4. Experimenting with a variety of technologies which are likely to form
components of the framework
For (1) and (2) see Sections I & II, above.
Provisional Architecture
The intended framework, called TRANSLATION (TRAnsparent Negotiation and Sharing
of Local Application Terminologies, Instances and ONtologies), will be of a peer-to-peer
nature in order to have no single point of failure and encourage open web dissemination.
Each server will contain a variety of component modules that provide the necessary
resources for participants to map, align, disseminate and browse their data, as well as
access that hosted by others (see diagram). In order to take account of differing
circumstances, there may be several options open to contributors as to the manner in
which their information is made accessible to the system.
Database
3
DB⇔Ontology
Mapping Tools
n
RDF
Webclient
2 Services
1 Admin
Services
Peer-to-Peer Browsing
Server Framework Services
Web
resources
Triplestore
Proposed Framework
Architecture
17. The TRANSLATION Framework for Archaeological Excavation Data 17
Peer-to-Peer Server Framework
Servers should be capable of both resource discovery and messaging. This will provide
the foundations for higher-level querying of resources. The proposed framework is
Tycho, developed by the University of Reading [53].
DB⇔Ontology Mapping Tools
A number of mapping tools are available which could incorporated. Application
Ontologies can be created with the Protégé editor [72] and an alignment may be
undertaken using a system such as OntoMediate [73]. Alignment must be possible over a
web interface in order to permit external users to try alternative alignment descriptions.
D2RQ [74] may provide a suitable language for mapping to RDF, but there are currently
no visual editors available.
RDF Services
If data is held within the triple store, many of these are likely to be available by default
(see below). If the data needs to be read dynamically then the mapping must be
interpreted via a server such as D2R or DartGrid. These both provide SPARQL end
points, and D2R also makes entity URIs resolvable which is important for linking data.
Additional services could also provide an API for querying meta-information about the
RDF (which ontologies are used, etc).
Admin Services
An API for server configuration and potentially for distributing updates, patches, etc.
Browsing Services
Web server functionality to provide a default user interface to the data. This is likely to be
widget/AJAX based, using a variety of Web 2.0-style APIs to contextualise the data.
Possible candidates for incorporation include SIMILE Timeline & Timeplot [11],
GoogleMaps [75], and the mSpace faceted browser [30]. The JUNG Framework [76]
may be used as a simple ontology browser.
Triplestore
The primary role of the triplestore is as a temporary place to hold triples harvested from
other servers whilst querying. It may also function as a persistence layer for RDF, if not
mapped dynamically from the relational database. Several triplestores have begun to
reach a reasonable degree of maturity, including Jena [77], Sesame [78] and the
Southampton University 3store [79], each with a variety of access methods. The API and
technical specifications of each will be considered and selected as appropriate.
18. The TRANSLATION Framework for Archaeological Excavation Data 18
Database
This is the database provided by the contributor. DBC drivers will need to be provided to
cover common formats – MS Access, FileMaker and MySQL are likely to be prevalent.
Access to the data will be read-only in order to ensure security of the data.
Webclient
Browsing and Admin services should be accessible using a standard web browser.
Firefox 3 and IE7 will be used for testing.
Web resources
Various web resources may need to be called, in particular RDFS and/or OWL
representations of domain and top-level ontologies and SKOS thesauri [80]. A discovery
protocol and registry will also be needed in order to communicate with other servers in
the framework.
Experimentation
D2RQ Platform
The D2RQ Platform [81] is a suite of technologies developed by Berlin Free University
comprising D2RQ, a declarative language for mapping relational databases to RDF, and
D2R Server which can publish the data to the Web. An experiment was undertaken to
map an example archaeological dataset (taken from [82]) stored in a PostgreSQL
database, to the CIDOC CRM ontology. Results were mixed: although straightforward
mappings are relatively easy to edit in the mapping file, complex mappings (in which
intermediary nodes expressed in an ontology are not expressed in the DB) are not. If local
Application Ontologies are used however, it may not be a problem. It does provide the
advantage of providing several methods of accessing the data, including a SPARQL
endpoint, resolvable URIs and dumping to a triplestore.
19. The TRANSLATION Framework for Archaeological Excavation Data 19
Figure 1. An amphora type represented in CIDOC CRM RDF using D2R Server
DartGrid
DartGrid [83] was also trialed as means of mapping relational data. The Eclipse-based
Semantic Mapping Tool provides a reasonably straightforward means to visually
associate relational tables with an RDFS ontology. It also has the possibility to introduce
blank-node relations in order to deal with complex mappings. On the other hand, an
attempt to import the CIDOC CRM was less successful as only entites (and no properties)
were accessible within the tool. It currently also only supports connection to mySQL and
Oracle databases. Java libraries with which to interpret the mapping are available, but
currently no source code (described as ‘Will be available soon!’ since July 2006).
AMA
The Archive Mapper for Achaeology [84], developed by EPOCH, is a LAMP-based tool
for mapping database schemas expressed in XML to the CIDOC CRM (or other
ontologies) . It was released in June 2008 and is currently available both as a download
and an online demonstrator, but as documentation is limited to a single conference paper
[24], evaluation proved difficult. It is also not clear what system is intended to interpret
the generated mappings. Nevertheless, as an ongoing project with the specific intention of
mapping archaeological information to a Domain Ontology, it is still worth further
investigation and positive results have been reported in [85].
20. The TRANSLATION Framework for Archaeological Excavation Data 20
Protégé
Protégé [72] is the most commonly used ontology-building tool. Experiments in
producing application ontologies that reflect relational database structures and saving
them as RDFS proved successful and relatively pain-free.
JUNG
The Java Universal Network/graph Framework [76] is a set of Java libraries for
visualizing graphs. A demonstration application was built during the early stages of
research in order to investigate whether a Network Analysis approach might be suitable
for Typology alignment. Whilst the experiment proved unsuccessful (alignment requires
human interpretation), the JUNG framework looks extremely useful for RDF
visualization and has been used in other projects to powerful effect [86].
Figure 2. Amphora types associated by facet correspondence using JUNG.
21. The TRANSLATION Framework for Archaeological Excavation Data 21
Section IV: Future Work
Develop demonstrator. – 3rd Q. 2008
Development of a demonstrator that maps two databases to Application Ontologies and
aligns them with a domain-level ontology (probably the CIDOC CRM-EH) to allow
cross-walking with a SPARQL endpoint. Mapping will require the establishment of a
specific workflow and toolkit.
Develop Zero Feature Release (ZFR) of Peer-to-Peer network – 4th Q. 2008
Integration of tool set into servlet-based modules on a single server. Testing with datasets
hosted on separate servers, with external access to Domain Ontologies and thesauri.
Develop Prototype Interface – 1st Q. 2008
Web Server functionality to be integrated. RDF entities should be contextualised via
associated data represented in appropriate format (tabular, mapped, graphed, etc.).
Essential admin services should be available via a web interface.
Minithesis: ‘A Model of Semantic Web integration for archaeological datasets’
As well as describing the work undertaken and future direct of research, the minithesis
should enable both archaeological and technical specialist to evaluate its utility for
integrating archaeological data. It will also form the basis for a presentation at a
workshop in Rome for participants in the Roman Ports in the Western Mediterranean
project who wish to contribute data.
Integration of third party datasets – 2nd-4th Qs. 2009
Collaboration with data contributors via series of workshops in order to enable them to
integrate data into the network. Feedback will be through webfora and a wiki, in order to
rapidly build a knowledge base of development issues and user tips. These will also
provide input for a process manual.
Further Development – 3rd-4th Qs. 2009
Dependent on user needs, further features may be integrated, including alternative
mapping mechanisms, interface widgets, and stability and performance optimization.
Write Up – 1st-3rd Qs. 2010
Write thesis, along with Cookbook and/or User Manual for other developers to apply the
framework or similar approaches to other archaeological integration projects.
22. The TRANSLATION Framework for Archaeological Excavation Data 22
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27. The TRANSLATION Framework for Archaeological Excavation Data 27
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30. The TRANSLATION Framework for Archaeological Excavation Data 30
Glossary of Technical Terms
Alignment
The process of connecting concepts between different ontologies.
AJAX (Asynchronous JavaScript and XML)
AJAX is a group of web development techniques chiefly characterised by embedding
programming logic within a web page so that it can be executed in the client browser
rather than requiring further requests to a server. This is principally in order to improve
the performance, and thus usability, of the site.
API (Application Programming Interface)
A set of functions provided by a piece of software that is intended to be used by a
computer program so that the functionality can be incorporated in other systems. This is
generally in contrast to human-computer interfaces, typically either a Command Line or
Graphical User Interface (see below)
GUI (Graphical User Interface)
A visual interface with which a human can interact with a software system, frequently
composed of ‘widgets’ such as buttons, menus or interactive images.
LAMP (Linux-Apache-MySQL-PHP)
A ‘stack’ of open source technologies which are frequently selected as the basis for Web
applications due to their robustness, extensive documentation and free availability.
Variations of one or more of these components are common (e.g. deployment on
Windows).
Mapping
The process of connecting data held with a relational database to the concepts within an
ontology.
Ontology
In Computer Science an ontology is an ‘explicit specification of a conceptualisation’. It
provides a definition (i.e. the semantics) of entity types and their possible properties and
relationships in a theoretical model of a given domain. A Domain (or Core) Ontology
provides a common (often complex) model of the sector, whereas an Application
Ontology reflects the semantic structure of a given application (often a single database).
OWL (OWL: Web-ontology Language)
A family of knowledge representation languages used to describe ontologies. Endorsed
by the World Wide Web Consortium, they are now the preferred method for expressing
complex semantic relationships between classes on the Semantic Web.
URI (Universal Resource Identifier)
A unique identifier referring to either an information resource (on the internet) or a non-
information resource (in the real world). It is composed of a string of characters
31. The TRANSLATION Framework for Archaeological Excavation Data 31
consisting of a protocol and server location with optional additional information such
document location and/or other parameters. They may or may not be ‘resolvable’ i.e.
capable of returning a representation of the resource over the internet. URIs form the
atomic ‘words’ of the Semantic Web and are used as the expression of well-specified
concepts.
RDF (Resource Description Framework)
A method of modelling semantically meaningful statements on the Web via subject-
predicate-object expressions (known as triples) composed of URIs (or two URIs and a
literal value such as a number or string). Combinations of these statements form a graph
over which more complex meanings can be inferred. RDF is format-independent, but
frequently expressed in a (restricted) form of XML.
RDFS (RDF Schema)
As RDF provides virtually no constraints on how URIs are combined, RDFS (which is
expressed in RDF) provides a small URI vocabulary for ontological concepts such Class
and Property that permit the construction of simple ontologies.
Semantic Web
The Semantic Web is an extension of the World Wide Web intended to encode meaning
in machine-readable form. This is done by creating subject-predicate-object statements
(called triples) composed of URIs, each of which equates to a specific concept. The
aggregation of these statements forms a graph which defines the knowledge-base. Graphs
are constrained by the use of ontologies which define what types of concept can exist (the
nodes of the graph) and the types of relationship that can exist between them (the arcs).
SKOS (Simple Knowledge Organization System)
A standard for expressing Knowledge Organisation Systems (KOSs), such as thesauri,
taxonomies, glossaries and other classification schemes in terms of RDF, in order to
make them available to the Semantic Web.
SOA (Service-oriented Architecture)
A software architecture composed of independent software ‘services’ (which may or may
not be distributed on different servers) that offer discrete pieces of functionality with a
clearly defined API. This ‘loose coupling’ is intended to allow for greater flexibility and
adaptability when maintaining and/or developing the framework.
Triplestore
A data repository for storing RDF triples.
XML (eXtensible Markup Language)
XML is a general purpose specification for creating custom markup languages. Data
expressed in XML is ‘well-formed’ if it conforms to certain syntactical rules and ‘valid’
if conforms to structural rules defined in a separate document (an XML Schema or
Document Type Definition).
SPARQL (SPARQL Protocol and RDF Query Language)
A language for expressing queries across an RDF graph.
32. The TRANSLATION Framework for Archaeological Excavation Data 32
XSLT (eXtensible Stylesheet Language – Transformations)
A language for transforming XML documents into other XML documents, generally
either so that they are valid against a different schema, or to alter the data content in some
fashion.