The document describes the Data Reference Model (DRM) XML Schema, which serves as a standard for federal agencies to describe their data, data sources, and data sharing capabilities in a consistent, interoperable format. The DRM XML Schema has three main sections - Data Description, Data Sharing, and Data Context. It defines elements like Entity, DataSource, ExchangePackage, and Taxonomy that agencies can use to document their information holdings and exchanges based on the DRM framework. Examples are provided to illustrate how agencies would populate the schema. The goal is to facilitate data discovery, access, and sharing across the government.
This document discusses data modeling and the relational database model. It explains that building a database requires both a logical design of how data should be structured and arranged, as well as a physical design to optimize performance and costs. The relational database model stores data in tables and allows for selecting, projecting, joining, and linking of tables. A database management system provides an interface for users and applications to define, modify, store, retrieve, and manipulate data using languages like SQL.
The document discusses database concepts and systems. It describes the role of database administrators in planning, designing, and maintaining databases. It also discusses popular database management systems, specialized databases, factors to consider when selecting a database, and how databases can be linked to the internet and used for business intelligence. The summary provides an overview of key database topics covered in the document like data models, database management systems, data warehouses, and data mining.
This document defines key terms related to relational database management systems (RDBMS). It discusses databases and database management systems, comparing them to traditional file-oriented systems. The benefits of RDBMSs include reduced data redundancy, maintained data integrity and consistency, shared data access, and enforced standards and security. Data independence allows applications to work regardless of how the data is physically stored or accessed. Relational models use domains, relations, candidate keys, primary keys, foreign keys, and referential integrity to structure data.
This document discusses securing a WordPress site. It recommends moving the wp-config.php file outside the root directory, using strong unique passwords, updating plugins and themes regularly, limiting login attempts, scanning for malware, and using security plugins. The key message is that while perfect security is not possible, these steps can significantly increase the difficulty for hackers to breach a WordPress site.
An underwriter's job is to ensure insurance premiums are priced correctly based on risk. They evaluate how risky a customer is, what coverage an insurance company can offer, and the appropriate price. When applying for insurance, an underwriter will review the application and determine the premium or potentially deny coverage. Working with an insurance agent is beneficial, as they can submit inquiries to underwriters without a formal application to assess acceptance and pricing, helping customers find the most affordable options. The agent also represents multiple insurers and can guide customers toward those most likely to provide the best rates based on their risk level.
As questões tratam de tópicos de português como ortografia, acentuação e divisão silábica. As questões pedem para identificar qual regra de acentuação ou divisão silábica se aplica a determinadas palavras ou para julgar se afirmações sobre estruturas linguísticas nos textos estão corretas.
This document discusses data modeling and the relational database model. It explains that building a database requires both a logical design of how data should be structured and arranged, as well as a physical design to optimize performance and costs. The relational database model stores data in tables and allows for selecting, projecting, joining, and linking of tables. A database management system provides an interface for users and applications to define, modify, store, retrieve, and manipulate data using languages like SQL.
The document discusses database concepts and systems. It describes the role of database administrators in planning, designing, and maintaining databases. It also discusses popular database management systems, specialized databases, factors to consider when selecting a database, and how databases can be linked to the internet and used for business intelligence. The summary provides an overview of key database topics covered in the document like data models, database management systems, data warehouses, and data mining.
This document defines key terms related to relational database management systems (RDBMS). It discusses databases and database management systems, comparing them to traditional file-oriented systems. The benefits of RDBMSs include reduced data redundancy, maintained data integrity and consistency, shared data access, and enforced standards and security. Data independence allows applications to work regardless of how the data is physically stored or accessed. Relational models use domains, relations, candidate keys, primary keys, foreign keys, and referential integrity to structure data.
This document discusses securing a WordPress site. It recommends moving the wp-config.php file outside the root directory, using strong unique passwords, updating plugins and themes regularly, limiting login attempts, scanning for malware, and using security plugins. The key message is that while perfect security is not possible, these steps can significantly increase the difficulty for hackers to breach a WordPress site.
An underwriter's job is to ensure insurance premiums are priced correctly based on risk. They evaluate how risky a customer is, what coverage an insurance company can offer, and the appropriate price. When applying for insurance, an underwriter will review the application and determine the premium or potentially deny coverage. Working with an insurance agent is beneficial, as they can submit inquiries to underwriters without a formal application to assess acceptance and pricing, helping customers find the most affordable options. The agent also represents multiple insurers and can guide customers toward those most likely to provide the best rates based on their risk level.
As questões tratam de tópicos de português como ortografia, acentuação e divisão silábica. As questões pedem para identificar qual regra de acentuação ou divisão silábica se aplica a determinadas palavras ou para julgar se afirmações sobre estruturas linguísticas nos textos estão corretas.
Upload an app icon that is a 1024x1024 PNG or JPEG file less than 3 MB in size. The icon should reflect your app's branding and will be displayed on the App Store and users' home screens. Select an icon image and crop it correctly before proceeding to the next setup step.
This document appears to be an advertisement for the 2007 Playboy Bunny Calendar. It lists the months covered in each section from January through December. A comment from someone named mckeemouse from 2006 suggests the calendar contains images some may find unexpected or surprising.
This document appears to be a transcript from a presentation given by Cristiano Betta, a Senior Developer Advocate at Braintree/PayPal. It discusses different payment methods used around the world, including differences between countries in Europe and trends in credit card usage vs other options like direct debit. Specific data shown includes percentages of various payment methods for online transactions in France and Germany. The presentation emphasizes that companies should allow customers to pay via their preferred payment option.
Everett Caulden has over 10 years of experience in customer service roles. He has worked in sales, administrative support, and as a customer service representative for various companies. Caulden has strong skills in customer service, Microsoft Office programs, and resolving difficult client issues professionally. He seeks a new opportunity to utilize his experience and skills.
The Passion of the Christ Depicts Jesus’ DeathRichard Romano
Richard Romano, a professional screenwriter, producer, director, and editor, recently released a successful movie, The Investigator. Experienced in film, Richard Romano counts The Passion of the Christ among his favorite movies.
Peet Aucamp provides his curriculum vitae which outlines his contact information, personal details, objective, profile, employment history managing production roles at various mining and concrete companies, education completing matric and military service, and skills including Microsoft Office and safety training. He has over 20 years of experience managing production, staff, health and safety, and meeting targets across roles in earthmoving, crushing, screening, and concrete production. References are provided from previous managers at Blitz Concrete and Congo Mutanda Mine.
Akash Jinandra has experience in electrical engineering and computer engineering through internships at Hewlett Packard, Texas Instruments, and Advanced Micro Devices. He has skills in programming languages like C, Java, Python and systems like Linux and Windows. Through internships and projects, he has experience with hardware including microcontrollers, FPGAs, and PCB design. He also has leadership experience as chair of the IEEE student chapter at UCF, organizing meetings and projects for over 100 students.
What are your strengths and what are your weaknesses? Which job could suit to your personality? What do you have to consider for a job application and how can you prepare for a job interview?
Donald Anderson Cosgrove has over 20 years of experience managing residential and commercial construction projects and sales teams. He has led projects involving irrigation design, landscape maintenance, and building renovations. Most recently, he worked to develop and expand a water conservation product line through creating partnerships with various organizations. He aims to utilize his extensive industry expertise and relationships to drive sales and ensure quality customer service.
Este resumen describe la trama de un libro de superación personal que aborda temas como la soledad, la corrupción gradual, las malas influencias y las zonas de atención del ser humano. La historia sigue a los personajes de Zahid y Lisbeth y cómo enfrentan adversidades como familias disfuncionales, pandillas y relaciones abusivas. El libro busca guiar a los lectores, especialmente jóvenes, a través de estas situaciones complejas y enseñarles sobre la importancia del afecto, las buenas decisiones y el des
This curriculum vitae is for Maria Fernanda Costa, who is proposing to serve as a Senior Adviser for the education sector on a project. She has over 30 years of experience in education, including experience developing, managing, monitoring, and evaluating technical cooperation programs in Europe, Africa, and North America. Her expertise includes education policy development, project management, and technical skills across various areas of formal and non-formal education.
El documento describe un programa de cursos de esquí y snowboard de 3 o 2 días que incluye alojamiento, comidas, material, clases e instalaciones. El primer día se distribuyen las habitaciones y se entrega el equipo. Los siguientes días incluyen desayuno, clases de 3 horas, pase de remontes todo el día y cena. Existen diferentes niveles y precios dependiendo de la temporada, edad y duración del curso.
Este documento describe los diferentes aspectos y elementos que componen una imagen fija, incluyendo el tamaño y formato, nivel de iconicidad, tipos de imágenes, signos básicos como puntos, líneas, formas, textura, luz, color, escala, angulación y el texto asociado a la imagen. Define conceptos como planos, tipos de líneas, cualidades de la luz y el color, y las funciones del texto en la imagen.
The document discusses the Federal Enterprise Architecture (FEA) and its reference models which provide a framework to enable information sharing across government agencies in a standardized way. It describes the current lack of data integration and sharing between "stove-piped" agencies. The solution proposed is the Data Reference Model (DRM) which defines a common way to describe data using elements like subject areas, data objects and properties to facilitate discovery and exchange of data. Examples are given of how the DRM allows two agencies to share incident reports and threat information by building standardized exchange packages.
The document discusses the Federal Enterprise Architecture (FEA) and its reference models which provide a framework to enable information sharing across government agencies in a standardized way. It describes the current lack of data integration and sharing between "stove-piped" agencies. The solution proposed is the Data Reference Model (DRM) which defines common ways to describe data that can facilitate discovery and exchange of data between agencies through metadata and exchange packages. Examples of information sharing use cases between hypothetical agencies X and Y are provided to illustrate how the DRM enables this.
This document proposes an enhanced method of XML validation using the SRML metalanguage. It extends SRML to allow for more complex validation rules and the ability to correct invalid data. The validation is done in two steps, first using XSD for structure and then SRML rules for content. It also explores applying the SRML validator to databases for record validation on database operations. This provides more granular validation of dataset records compared to validating the entire XML file.
A Survey on Heterogeneous Data Exchange using XmlIRJET Journal
This document summarizes a research paper on heterogeneous data exchange using XML. It discusses how XML has become a standard for data transmission due to its flexibility, extensibility and ability to represent heterogeneous data. The document then reviews related work on XML data exchange and mapping between relational and XML models. It also describes the process of exporting data from a source database to XML, importing XML data by validating, transforming and storing it in the target database, and transmitting data between different servers.
This paper investigates using Object Role Modeling (ORM), a graphical conceptual modeling technique, to design XML schemas. The authors describe an algorithm to automatically generate an XML schema file from an ORM conceptual data model. Their approach aims to reduce data redundancy and increase connectivity in the resulting XML instances. Major object types are identified in the ORM model and used as the starting point for hierarchies in the generated XML schema to achieve this goal.
Download Complete Material - https://www.instamojo.com/prashanth_ns/
Course Outline...
• Identify the need for XML as a standard data interchange format
• Identify the structure of XML documents
• Create an XML schema
• Declare attributes in an XML schema
• Identify the need for XML namespaces
• Reuse XML schema components
• Create groups of elements and attributes in an XML schema
• Transform an XML document through a Cascading Style Sheet
• Transform an XML document through Extensible Style Sheet Language
• Perform conditional formatting
• Use XPath pattern
• Present data in different formats
• Identify the XML Document Object Model
• Validate an XML document against an XML schema using the Document Object Model
• Apply a Style Sheet to an XML document
This document describes a technique for mining intentional knowledge from XML documents to improve query answering performance. The technique involves:
1. Parsing an XML document and generating a tree model. Frequent subtrees are then mined from the tree to extract Tree-based Association Rules (TARs).
2. Storing the mined TARs in an XML format. An index is also created to enable faster access to the knowledge during querying.
3. Transforming XML queries to operate on the mined TARs instead of the original XML document. This allows queries to be answered more quickly.
4. The method is evaluated on sample XML data and queries. Results show the approach answers queries significantly faster
Upload an app icon that is a 1024x1024 PNG or JPEG file less than 3 MB in size. The icon should reflect your app's branding and will be displayed on the App Store and users' home screens. Select an icon image and crop it correctly before proceeding to the next setup step.
This document appears to be an advertisement for the 2007 Playboy Bunny Calendar. It lists the months covered in each section from January through December. A comment from someone named mckeemouse from 2006 suggests the calendar contains images some may find unexpected or surprising.
This document appears to be a transcript from a presentation given by Cristiano Betta, a Senior Developer Advocate at Braintree/PayPal. It discusses different payment methods used around the world, including differences between countries in Europe and trends in credit card usage vs other options like direct debit. Specific data shown includes percentages of various payment methods for online transactions in France and Germany. The presentation emphasizes that companies should allow customers to pay via their preferred payment option.
Everett Caulden has over 10 years of experience in customer service roles. He has worked in sales, administrative support, and as a customer service representative for various companies. Caulden has strong skills in customer service, Microsoft Office programs, and resolving difficult client issues professionally. He seeks a new opportunity to utilize his experience and skills.
The Passion of the Christ Depicts Jesus’ DeathRichard Romano
Richard Romano, a professional screenwriter, producer, director, and editor, recently released a successful movie, The Investigator. Experienced in film, Richard Romano counts The Passion of the Christ among his favorite movies.
Peet Aucamp provides his curriculum vitae which outlines his contact information, personal details, objective, profile, employment history managing production roles at various mining and concrete companies, education completing matric and military service, and skills including Microsoft Office and safety training. He has over 20 years of experience managing production, staff, health and safety, and meeting targets across roles in earthmoving, crushing, screening, and concrete production. References are provided from previous managers at Blitz Concrete and Congo Mutanda Mine.
Akash Jinandra has experience in electrical engineering and computer engineering through internships at Hewlett Packard, Texas Instruments, and Advanced Micro Devices. He has skills in programming languages like C, Java, Python and systems like Linux and Windows. Through internships and projects, he has experience with hardware including microcontrollers, FPGAs, and PCB design. He also has leadership experience as chair of the IEEE student chapter at UCF, organizing meetings and projects for over 100 students.
What are your strengths and what are your weaknesses? Which job could suit to your personality? What do you have to consider for a job application and how can you prepare for a job interview?
Donald Anderson Cosgrove has over 20 years of experience managing residential and commercial construction projects and sales teams. He has led projects involving irrigation design, landscape maintenance, and building renovations. Most recently, he worked to develop and expand a water conservation product line through creating partnerships with various organizations. He aims to utilize his extensive industry expertise and relationships to drive sales and ensure quality customer service.
Este resumen describe la trama de un libro de superación personal que aborda temas como la soledad, la corrupción gradual, las malas influencias y las zonas de atención del ser humano. La historia sigue a los personajes de Zahid y Lisbeth y cómo enfrentan adversidades como familias disfuncionales, pandillas y relaciones abusivas. El libro busca guiar a los lectores, especialmente jóvenes, a través de estas situaciones complejas y enseñarles sobre la importancia del afecto, las buenas decisiones y el des
This curriculum vitae is for Maria Fernanda Costa, who is proposing to serve as a Senior Adviser for the education sector on a project. She has over 30 years of experience in education, including experience developing, managing, monitoring, and evaluating technical cooperation programs in Europe, Africa, and North America. Her expertise includes education policy development, project management, and technical skills across various areas of formal and non-formal education.
El documento describe un programa de cursos de esquí y snowboard de 3 o 2 días que incluye alojamiento, comidas, material, clases e instalaciones. El primer día se distribuyen las habitaciones y se entrega el equipo. Los siguientes días incluyen desayuno, clases de 3 horas, pase de remontes todo el día y cena. Existen diferentes niveles y precios dependiendo de la temporada, edad y duración del curso.
Este documento describe los diferentes aspectos y elementos que componen una imagen fija, incluyendo el tamaño y formato, nivel de iconicidad, tipos de imágenes, signos básicos como puntos, líneas, formas, textura, luz, color, escala, angulación y el texto asociado a la imagen. Define conceptos como planos, tipos de líneas, cualidades de la luz y el color, y las funciones del texto en la imagen.
The document discusses the Federal Enterprise Architecture (FEA) and its reference models which provide a framework to enable information sharing across government agencies in a standardized way. It describes the current lack of data integration and sharing between "stove-piped" agencies. The solution proposed is the Data Reference Model (DRM) which defines a common way to describe data using elements like subject areas, data objects and properties to facilitate discovery and exchange of data. Examples are given of how the DRM allows two agencies to share incident reports and threat information by building standardized exchange packages.
The document discusses the Federal Enterprise Architecture (FEA) and its reference models which provide a framework to enable information sharing across government agencies in a standardized way. It describes the current lack of data integration and sharing between "stove-piped" agencies. The solution proposed is the Data Reference Model (DRM) which defines common ways to describe data that can facilitate discovery and exchange of data between agencies through metadata and exchange packages. Examples of information sharing use cases between hypothetical agencies X and Y are provided to illustrate how the DRM enables this.
This document proposes an enhanced method of XML validation using the SRML metalanguage. It extends SRML to allow for more complex validation rules and the ability to correct invalid data. The validation is done in two steps, first using XSD for structure and then SRML rules for content. It also explores applying the SRML validator to databases for record validation on database operations. This provides more granular validation of dataset records compared to validating the entire XML file.
A Survey on Heterogeneous Data Exchange using XmlIRJET Journal
This document summarizes a research paper on heterogeneous data exchange using XML. It discusses how XML has become a standard for data transmission due to its flexibility, extensibility and ability to represent heterogeneous data. The document then reviews related work on XML data exchange and mapping between relational and XML models. It also describes the process of exporting data from a source database to XML, importing XML data by validating, transforming and storing it in the target database, and transmitting data between different servers.
This paper investigates using Object Role Modeling (ORM), a graphical conceptual modeling technique, to design XML schemas. The authors describe an algorithm to automatically generate an XML schema file from an ORM conceptual data model. Their approach aims to reduce data redundancy and increase connectivity in the resulting XML instances. Major object types are identified in the ORM model and used as the starting point for hierarchies in the generated XML schema to achieve this goal.
Download Complete Material - https://www.instamojo.com/prashanth_ns/
Course Outline...
• Identify the need for XML as a standard data interchange format
• Identify the structure of XML documents
• Create an XML schema
• Declare attributes in an XML schema
• Identify the need for XML namespaces
• Reuse XML schema components
• Create groups of elements and attributes in an XML schema
• Transform an XML document through a Cascading Style Sheet
• Transform an XML document through Extensible Style Sheet Language
• Perform conditional formatting
• Use XPath pattern
• Present data in different formats
• Identify the XML Document Object Model
• Validate an XML document against an XML schema using the Document Object Model
• Apply a Style Sheet to an XML document
This document describes a technique for mining intentional knowledge from XML documents to improve query answering performance. The technique involves:
1. Parsing an XML document and generating a tree model. Frequent subtrees are then mined from the tree to extract Tree-based Association Rules (TARs).
2. Storing the mined TARs in an XML format. An index is also created to enable faster access to the knowledge during querying.
3. Transforming XML queries to operate on the mined TARs instead of the original XML document. This allows queries to be answered more quickly.
4. The method is evaluated on sample XML data and queries. Results show the approach answers queries significantly faster
This document contains instructions for an assignment for a Web Technologies course. It includes 6 questions related to TCP vs UDP, features of XML, components of an XML processor, fetching data from XML to HTML, categories of PHP operators, and Active Server Pages (ASP). The questions range from short definitions and comparisons to longer explanations and examples.
Data warehouse design from XML sourcesMatte0 Golfarelli Stef.docxwhittemorelucilla
This document discusses designing a data warehouse to integrate XML data sources. It first reviews multidimensional modeling concepts and the design process, which involves building an attribute tree from the source schema and defining facts, dimensions and measures. It then examines how relationships can be modeled in XML schemas using sub-elements or ID/IDREF attributes. The paper proposes a semi-automatic approach to build the data warehouse conceptual schema by inferring information from the XML source, with potential designer input if needed.
Data warehouse design from XML sourcesMatte0 Golfarelli Stef.docxrandyburney60861
Data warehouse design from XML sources
Matte0 Golfarelli Stefano Rizzi
DEIS - University of Bologna DEIS - University of Bologna
Viale Risorgimento, 2 Viale Risorgimento, 2
40136 Bologna - Italy 40136 Bologna - Italy
+39-051-642862 +39-051-2093542
[email protected][email protected]
Boris Vrdoljak
FER - University of Zagreb
Unska 3
10000 Zagreb - Croatia
+385-(O)l -6129756
[email protected]
ABSTRACT
A large amount of data needed in decision-making processes is
stored in the XML data format, which is widely used for e-
commerce and Internet-based information exchange. Thus, as
more organizations view the web as an integral part of their
communication and business, the importance of integrating XML
data in data warehousing environments is becoming increasingly
high. In this paper we show how the design of a data mart can be
carried out starting directly from an XML source. Two main
issues arise: on the one hand, since XML models semi-structured
data, not all the information needed for design can be safely
derived; on the other, different approaches for representing
relationships in XML DTDs and Schemas are possible, each with
different expressive power. After discussing these issues, we
propose a semi-automatic approach for building the conceptual
schema for a data mart starting from the XML sources.
Keywords
Data warehouse design, Data warehousing and the web, XML
1. INTRODUCTION
A large amount of data needed in decision-making processes is
stored in the XML (Extensible Markup Language) data format.
The structure of XML, composed of nested custom-defined tags
that can describe the meaning of the content itself, makes it usable
as a semantic-preserving data exchange format on the web. As the
Internet has evolved into a global platform for e-commerce and
information exchange, the interest in XML has been growing and
large volumes of XML data already exist.
XML can be considered as a particular standard syntax for the
exchange of semi-structured data [l]. One common feature of
semi-structured data models is the lack of schema, so that the data
is self-describing. However, XML documents can be associated
with and validated against either a Document Type Definition
(DTD) or an XML Schema, both of which allow the structure of
XML documents to be described and their contents to be
constrained. DTDs are defined as a part of the XML 1.0
Permission to make digital or hard copies of all or part of this work for
personal or classroom use is granted without fee provided that copies
are not made or distributed for profit or commercial advantage and that
copies bear this notice and the full citation on the first page. To copy
otherwise, or republish, to post on servers or to redistribute to lists.
requires prior specific permission and/or a fee.
DOLAP ‘01, November 9,2001, Atlanta, Georgia, USA.
Copyright 2001 ACM l-581 l3-437-l/Ol/OOl I . ..$5.00.
Specification [15], while XML Schemas have recently become a
W3C Recommendation [16]. XML S.
This document provides an overview of database systems and database management systems (DBMS). It discusses the limitations of file-based systems, how the database approach addresses these limitations, the typical components of a DBMS environment including hardware, software, data, procedures and personnel. A brief history of database systems is presented starting from the 1960s. The advantages of DBMSs like data consistency and sharing are outlined as well as some disadvantages such as complexity and costs.
This document provides an introduction to XML. It discusses that XML stands for Extensible Markup Language and is a text-based markup language used to store and transport data. It also describes that XML documents have a .xml file extension and reference a DTD or schema that defines the document structure. The document then gives examples of XML tags, elements, and attributes to illustrate XML syntax and building blocks.
The document discusses XML schemas and how they are used in web services. Some key points:
1. XML schemas formally describe the structure and content of XML documents, defining elements, attributes, data types, and relationships between elements.
2. Schemas are used to validate XML documents and ensure they conform to the defined structure.
3. The document discusses how BT uses XML schemas to describe messages exchanged between web services and the importance of consistent implementation to allow for interoperability.
4. It also mentions best practices like using test cases and focusing on description to communicate how aspects of schemas can be relied upon.
This document provides an overview of database systems and database management systems (DBMS). It discusses the limitations of file-based systems, how the database approach arose to address these limitations, the typical components of a DBMS environment including hardware, software, data, procedures and personnel. A brief history of database systems is presented starting from early systems in the 1960s through the development of relational databases. The advantages and disadvantages of using a DBMS are also summarized.
XML is a standard of data exchange between web applications such as in e-commerce, elearning
and other web portals. The data volume has grown substantially in the web and in
order to effectively retrieve or store these data, it is recommended to be physically or virtually
fragmented and distributed into different nodes. Basically, fragmentation design contains of
two parts: fragmentation operation and fragmentation method. There are three different kinds
of fragmentation operation: Horizontal, Vertical and Hybrid, determines how the XML should
be fragmented. The aim of this paper is to give an overview on the fragmentation design
consideration.
This document summarizes an article that proposes a system for compressing XML documents while still allowing queries to be efficiently evaluated on the compressed data. The system first compresses the XML document using the proposed algorithm, which divides the compressed file into different relational databases, eliminating the need to fully decompress the file for each query. Only the required information is decompressed and returned to the user. Experimental results on sample XML documents show that the system achieves competitive compression ratios compared to other query-capable XML compressors, and can efficiently answer different types of queries on multiple compressed documents with minimal decompression.
Parsing of xml file to make secure transaction in mobile commerceijcsa
This document summarizes research on parsing XML files to enable secure mobile commerce transactions. It discusses how parsing XML reduces its size, allowing data to be transmitted more quickly and securely during mobile transactions. The document reviews different XML parsing techniques, including DOM and SAX parsers. It also analyzes how different mobile operating systems, such as Android, Apple iOS, and Symbian, handle XML parsing. The goal of the research is to develop an efficient XML parsing method using J2ME to provide stronger security for mobile commerce transactions by reducing transmission delays and errors.
A database management system (or DBMS) is essentially nothing more than a computerized data-keeping system. Users of the system are given facilities to perform several kinds of operations on such a system for either manipulation of the data in the database or the management of the database structure itself.
External entities can be used to disclose internal files using the file URI handler, internal file shares, internal port scanning, remote code execution, and denial of service attacks.
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Holger Mueller of Constellation Research shares his key takeaways from SAP's Sapphire confernece, held in Orlando, June 3rd till 5th 2024, in the Orange Convention Center.
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Industrial Tech SW: Category Renewal and CreationChristian Dahlen
Every industrial revolution has created a new set of categories and a new set of players.
Multiple new technologies have emerged, but Samsara and C3.ai are only two companies which have gone public so far.
Manufacturing startups constitute the largest pipeline share of unicorns and IPO candidates in the SF Bay Area, and software startups dominate in Germany.
Navigating the world of forex trading can be challenging, especially for beginners. To help you make an informed decision, we have comprehensively compared the best forex brokers in India for 2024. This article, reviewed by Top Forex Brokers Review, will cover featured award winners, the best forex brokers, featured offers, the best copy trading platforms, the best forex brokers for beginners, the best MetaTrader brokers, and recently updated reviews. We will focus on FP Markets, Black Bull, EightCap, IC Markets, and Octa.
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Schema
1. Department of Homeland Security
Metadata Center of Excellence
The Data Reference Model:
The DRM XML Schema
Michael C. Daconta, Metadata Program Manager
Andy Hoskinson, OMB FEA PMO
Joseph M. Chiusano, Booz Allen Hamilton
June 13, 2005
6/20/2005 8:20 PM Information Officer
Office of the Chief
2. Agenda
What is the DRM XML Schema?
Purpose of the DRM XML Schema
DRM XML Schema Structure
DRM XML Instance Examples
Schema Design Features, Issues,
& Tradeoffs
Conclusion
Office of the Chief Information Officer June 13, 2005 -- Pg. 2
3. What is the DRM XML Schema?
The DRM XML Schema is a W3C XML Schema that
serves as an abstract metamodel for the DRM
It represents all 3 of the DRM’s major standardization
areas (Data Description, Data Sharing, Data Context)
Federal agencies will create XML instances (documents)
based on the DRM XML Schema that contain information
for the agency pertaining to the 3 DRM areas
Development of the DRM XML Schema at an early stage is
enabling us to ensure that we are capturing the correct
information for the DRM, in the correct format – as soon as
possible
Office of the Chief Information Officer June 13, 2005 -- Pg. 3
4. Purpose of the DRM XML Schema
The DRM XML Schema will:
Support the DRM’s primary use case of facilitation of
interagency information sharing
Facilitate the inventory, cataloging, and discovery of
information holdings as required by law and policy (OMB
Circular A-130, Management of Federal Information
Resources)
Support harmonization across the federal government of
data artifacts, and establishment of authoritative data
sources
Provide an open and well-documented standard to enable
the organization and categorization of government
information, in ways that are searchable, and
interoperable, across agencies
Office of the Chief Information Officer June 13, 2005 -- Pg. 4
5. DRM Primary Use Case: Interagency
Information Sharing
Core Context
COI Context
Context 2 Discovery
Exchange
packages
3 Assembly
Sharing
Data Data
1 Components
Registry
Elems
Description Elems
Org 2
Org 1
Office of the Chief Information Officer June 13, 2005 -- Pg. 5
6. DRM XML Schema Structure
The DRM XML Schema has 3 major sections:
Section Description
DataDescription Provides a standard means for agencies to describe their
data and data sources clearly, concisely, and
unambiguously
DataSharing Provides a standard means for describing interagency
data exchanges and data sharing capabilities
DataContext Provides a standard means for representing taxonomies
that an agencies use to categorize their data
Office of the Chief Information Officer June 13, 2005 -- Pg. 6
7. DRM XML Schema Structure
“DataDescription” section – major subsections:
Subsection Description
StructuredData Data described via the E-R (Entity-Relationship) or
class model
UnstructuredData Data that is not described according to an E-R model,
but is rather of a more free-form format, such as
multimedia files or unstructured text
SemiStructuredData Data that has characteristics of both structured and
unstructured data
DataSources Databases, systems, applications, or other electronic
entities that produce and/or house data
Office of the Chief Information Officer June 13, 2005 -- Pg. 7
8. DRM XML Schema Structure
“DataSharing” section – major subsections:
Subsection Description
ExchangePackages Descriptions of specific information exchanges between
organizations
DataAccessPoints Endpoints (network or otherwise) providing an interface
for querying data sources
Office of the Chief Information Officer June 13, 2005 -- Pg. 8
9. DRM XML Schema Structure
“DataContext” section – major subsections:
Subsection Description
Taxonomies Hierarchical information models that define the scope of
a knowledge domain
FEAMapping Enables mapping of taxonomy nodes in a DRM instance
to FEA reference model categories
DataStandards Open standards that apply to the DRM submission. May
also point to an XSLT stylesheet that transforms a
document conforming to the particular standard to DRM
XML syntax.
Schema examples follow
Office of the Chief Information Officer June 13, 2005 -- Pg. 9
15. “AccessPoint” Section
Office of the Chief Information Officer June 13, 2005 -- Pg. 15
16. “DataContext” Section
Office of the Chief Information Officer June 13, 2005 -- Pg. 16
17. “Node” Section
Office of the Chief Information Officer June 13, 2005 -- Pg. 17
18. DRM XML Instance Example: Entity
<drm:Entity rdf:id="BusinessArea" drm:name="FEA BRM Business Area">
<drm:ResourceRefs>
<drm:ResourceRef drm:type="partOf" rdf:idref="resource04" />
</drm:ResourceRefs>
<drm:DataSourceRefs>
<!-- links this entity to a data source defined in the <drm:DataSources> section -->
<drm:DataSourceRef drm:authoritativeSource="false" rdf:idref="data_source01"/>
</drm:DataSourceRefs>
<drm:Attributes>
<drm:Attribute drm:keyType="primary key" drm:name="businessAreaID"
drm:datatype="xsd:integer"/>
<drm:Attribute drm:name="BusinessAreaName" drm:datatype="xsd:string"/>
<drm:Attribute drm:name="BusinessAreaDefinitionText" drm:datatype="xsd:string"/>
</drm:Attributes>
<drm:Relationships>
<drm:Relationship drm:cardinality="1" drm:key="businessAreaID"
drm:name="Business Area to Business Line Association" >
<drm:RelationshipTarget drm:key="refbusinessAreaID“ drm:cardinality="unbounded“
rdf:idref="BusinessLine“/>
</drm:Relationship>
</drm:Relationships>
<drm:NodeRefs>
<!-- links this entity to a node defined in the <drm:Taxonomies> section -->
<drm:NodeRef drm:type="partOf" rdf:idref="node06"/>
</drm:NodeRefs>
</drm:Entity>
Office of the Chief Information Officer June 13, 2005 -- Pg. 18
19. DRM XML Instance Example: DataSource
<drm:DataSource rdf:id="data_asset01" drm:href="https://www.feams.gov/"
drm:name="Federal Enterprise Architecture Management System">
<drm:OwningAgency>Office of Management and Budget</drm:OwningAgency>
<drm:Steward>Federal Enterprise Architecture Program Management Office</drm:Steward>
<drm:GeospatialEnabled>false</drm:GeospatialEnabled>
<drm:SystemOfRecord>false</drm:SystemOfRecord>
<drm:DataSourceType>Web service</drm:DataSourceType>
<drm:PointOfContact>support@feapmo.gov</drm:PointOfContact>
<drm:FIPS199PotentialImpactLevels>
<drm:AvailabilityLevel>moderate</drm:AvailabilityLevel>
<drm:IntegrityLevel>moderate</drm:IntegrityLevel>
<drm:ConfidentialityLevel>moderate</drm:ConfidentialityLevel>
</drm:FIPS199PotentialImpactLevels>
</drm:DataSource>
Office of the Chief Information Officer June 13, 2005 -- Pg. 19
21. Schema Design Features, Issues, &
Tradeoffs
Several features have been included in the DRM XML
Schema with efficiency and effectiveness in mind:
Leveraging of existing vocabularies: Use of Dublin Core
metadata for resources, RDF identifiers
External references: Enable agencies to reference existing
data artifacts that comply with one of a pre-specified set of
open standards, in lieu of providing detailed information
about those data artifacts in the DRM format
Document interlinking: For cases in which associations are
made between DRM components, enables agencies to refer
to information in existing (i.e. previously submitted) external
DRM instances in a DRM XML document, rather than re-
specifying the same information
Office of the Chief Information Officer June 13, 2005 -- Pg. 21
22. Design Feature: Existing Vocabularies
Dublin Core Version 1.1 is used to describe unstructured
data (resources), as well as for submission metadata
dc:Type
dc:Title
dc:Publisher
dc:Identifier
dc:Contributor
dc:Date
dc:Language
dc:Creator
dc:Relation
dc:Format
dc:Coverage
dc:Description
dc:Rights
dc:Source
dc:Subject
rdf:id is used for providing unique identifiers for
components within a DRM XML instance, as well as for
references to other components (inline or inter-document)
Office of the Chief Information Officer June 13, 2005 -- Pg. 22
23. Design Feature: External References
Current external references:
Section External Reference Potential Standard(s)
Element
DataDescription ExternalEntitiesRefs OMG XML Metadata Interchange
(XMI)
W3C XML Schema
ExternalResourcesRefs W3C Resource Description
Framework (RDF)
RSS
DataSharing ExternalExchange- W3C Web Services
PackageRef Description Language (WSDL)
DataContext ExternalTaxonomyRefs W3C Web Ontology Language
(OWL)
W3C Simple Knowledge
Organization System (SKOS)
Office of the Chief Information Officer June 13, 2005 -- Pg. 23
24. Design Feature: Document Interlinking
Examples of associations to which document interlinking can
apply:
From To* What Association Represents
Entity Resource A resource (e.g. spreadsheet, document)
that contains one or more instances of an
entity
Entity DataSource A data source that contains one or more
instances of an entity, and which may be an
authoritative data source for that entity
Entity Node A taxonomy node with which instances of an
entity are associated (i.e. by which it is
categorized)
ExchangePackage Entity An entity that is represented in an
information exchange
Node Node A node that is a parent or child of another
node in a taxonomy
*“To” values are externally defined
Office of the Chief Information Officer June 13, 2005 -- Pg. 24
25. Design Feature: Document Interlinking
Example: Associating an entity with an
externally defined resource and data source
EmployeeReport115.pdf
<drm:Entity rdf:id=“work-address“ drm:name="WorkAddress">
<drm:ResourceRefs> DRM XML Instance
<drm:ResourceRef drm:type=“partOf"
rdf:idref="www.someagency.gov/DRM/DRM01012005.xml#ER115/>
</drm:ResourceRefs>
DRM01012005.xml
<drm:DataSourceRefs>
<drm:DataSourceRef
rdf:idref=“www.someagency.gov/DRM/DRM01012005.xml#DS002/>
drm:authoritativeSource=“true”
</drm:DataSourceRefs>
………..
</drm:Entity>
Master
Employee
Data
Office of the Chief Information Officer June 13, 2005 -- Pg. 25
26. Design Issues & Tradeoffs
A “Red Team” recently convened to discuss design issues
and tradeoffs
Comprised of a subset of the DRM Working Group
The Red Team worked through a series of design issues
More are pending
Office of the Chief Information Officer June 13, 2005 -- Pg. 26
27. Design Issues & Tradeoffs
The following is a sample of issues and resolutions from the
Red Team
Issue Resolution
Need federated registries to Address in DRM Data Management Strategy.
which DRM XML instances are
registered
Entities vs. attributes – can an No. If something has attributes, it cannot be an
attribute have attributes? attribute. However, there may be cases in
which one agency may represent a concept as
an entity while another may represent it as an
attribute, per their business case. If the 2
agencies participate in a Common Operating
Picture, the entity and attribute representations
must be harmonized.
Need “submission metadata” in Added submission metadata – e.g. submission
the DRM XML Schema. date, submission time, submitting agency, etc.
Office of the Chief Information Officer June 13, 2005 -- Pg. 27
28. Design Issues & Tradeoffs
Issues and resolutions (cont’d):
Issue Resolution
How can globally unique It will be the responsibility of agencies to
identifiers for components within ensure that their identifiers are globally unique
DRM XML instances be for their agency. Government-wide global
ensured? uniqueness is a related issue that needs to be
addressed.
Need a <Definition> element for Added <Definition> element for entities and
both entities and attributes, in attributes. This element is optional for both
addition to taxonomy nodes. entities and attributes, unless it is known that
the entity and/or attribute will be harmonized
within a Community of Interest (COI) at a later
time – in which case it is mandatory.
Submitters also have the option of referring to
an inline or external taxonomy node containing
a term rather than providing a definition directly
with an entity or attribute.
Office of the Chief Information Officer June 13, 2005 -- Pg. 28
29. Conclusion
The DRM XML Schema is a metamodel that enables consistent
description of structure, exchange, access and categorization
This draft release of the XML Schema implements best practices
in modeling, linking and modularity
Agencies will populate the schema differently to support different
use cases
The Red Team is working through design issues and will post
resolutions to the public wiki
Office of the Chief Information Officer June 13, 2005 -- Pg. 29
30. Conclusion
We need your support!
Please have your technical staff review the DRM XML
Schema and provide comments!
Vendors, work with us to support it in your products!
Together ... we can achieve significant gains in data
description, sharing and discovery!
All are invited to provide comments on this XML schema
at:
http://colab.cim3.net/cgi-bin/wiki.pl?DataReferenceModel
Office of the Chief Information Officer June 13, 2005 -- Pg. 30
31. Questions?
Office of the Chief Information Officer June 13, 2005 -- Pg. 31