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Free documents from the UK UFO National Archives. You have to pay for these now, but we have them! You can get all of them at no cost here: http://alien-ufo-research.com/documents/uk
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Free documents from the UK UFO National Archives. You have to pay for these now, but we have them! You can get all of them at no cost here: http://alien-ufo-research.com/documents/uk
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In this presentation I will show why Linked Open Data is the best technique available to publish government data and how can you use LODSPeaKr, a simple kit for publishing Linked Data, to create from prototypes in minutes to Open Data Portals, APIs and mobile webapps.
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An introduction to the SPARQL query language and its application to the Open Linked Data initiative. Slides for the PhD Course on Semantic Web (http://elite.polito.it/).
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Abstract. The aim of this work is to explore the opportunities offered by
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Research in natural sciences can generate vast amounts of spatial data, where
Wikidata could be considered as the central hub between more detailed natural
science hubs on the spatial semantic web. Wikidata is a world readable and
writable community-driven knowledge base. It offers the opportunity to collaboratively
construct an open access knowledge graph that spans biology,
medicine, and all other domains of knowledge. In this study, we discuss
the opportunities and challenges provided by exploring Wikidata as a central
integration facility by interlink it with OSM, a popular, community driven
collection of free geographic data. This is empowered by the reuse of terms
and properties from commonly understood controlled vocabularies that
represent their respective well-identified knowledge domains.
URL: https://www.springerprofessional.de/en/interlinking-standardized-openstreetmap-data-and-citizen-science/13302088
DOI: https://doi.org/10.1007/978-3-319-60366-7_9
Werner Leyh, Homero Fonseca Filho
University of São Paulo (USP), São Paulo, Brazil
WernerLeyh@yahoo.com
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Abstract. The aim of this work is to explore the opportunities offered by
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Research in natural sciences can generate vast amounts of spatial data, where
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DOI: https://doi.org/10.1007/978-3-319-60366-7_9
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In this Webinar Lorenz Bühmann presents the ontology repair and enrichment tool ORE and also the DL-Learner , a machine learning tool to solve supervised learnings tasks and support knowledge engineers in constructing knowledge. Those two beneighbored tools in the LOD2 Stack are for classification and the following quality analysis of Linked Data.
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PublicData.eu is striving to become the Pan European one-stop-shop, providing access to open, freely reusable datasets from numerous local, regional and national public bodies across Europe.
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In the webinar we will give a brief overview of the UnifiedViews project (Helmut Nagy). The main part will be a presentation of the tool and it's capabilities (Tomas Knap)
http://lod2.eu/BlogPost/webinar-series
This webinar in the course of the LOD2 webinar series will present the release 3.0 of the LOD2 stack, which contains updates to
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Linked Open Data Manager Suite [SWC]: the 'lodms' application allows the user to quickly set up pipelines for transforming linked data through the use of its many extensions. It also allows operations for extracting rdf from other types of data.
*) dbpedia-spotlight-ui [ULEI]: a graphical user interface component that allows the user to use a remote DBpedia spotlight instance to annotate a text with DBpedia concepts.
*) sparqlify [ULEI]: a scalable SPARQL-SQL rewriter, allowing you to query an SQL database as if it were a triple store.
*) SIREn [DERI]: a Lucene plugin that allows you to efficiently index and query RDF, as well as any textual document with an arbitrary amount of metadata fields.
*) CubeViz [ULEI]: CubeViz allows visualization of the Data Cube linked data representation of statistical data. It has support for the more advanced DataCube features, such as slices. It also allows the selection of a remote SPARQL endpoint and export of a modified cube.
*) R2R [UMA]: the R2R mapping API is now included directly into the lod2 demonstrator application, allowing users to experience the full effect of the R2R semantic mapping language through a graphical user interface.
*) ontowiki-csvimport [ULEI]: an OntoWiki extension that transforms CSV files to RDF. The extension can create Data Cubes that can be visualized by CubeViz.
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(http://lod2.eu/BlogPost/webinar-series) In this Webinar Michael Martin presents CubeViz - a facetted browser for statistical data utilizing the RDF Data Cube vocabulary which is the state-of-the-art in representing statistical data in RDF. This vocabulary is compatible with SDMX and increasingly being adopted. Based on the vocabulary and the encoded Data Cube, CubeViz is generating a facetted browsing widget that can be used to filter interactively observations to be visualized in charts. Based on the selected structure, CubeViz offer beneficiary chart types and options which can be selected by users.
If you are interested in Linked (Open) Data principles and mechanisms, LOD tools & services and concrete use cases that can be realised using LOD then join us in the free LOD2 webinar series!
This webinar in the course of the LOD2 webinar series will present Virtuoso 7. Virtuoso Column Store, Adaptive Techniques for RDF Graph Databases. In this webinar we shall discuss the application of column store techniques to both graph (RDF) and relational data for mixed work-loads ranging from lookup to analytics.
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If you are interested in Linked (Open) Data principles and mechanisms, LOD tools & services and concrete use cases that can be realised using LOD then join us in the free LOD2 webinar series!
http://lod2.eu/BlogPost/webinar-series
DBpedia Spotlight is a tool employed in the Extraction stage of the LOD Lyfe Cycle, performing Entity Recognition and Linking. Although the tool currently specializes in English language, the support for other languages is currently being tested, and demos for German, Dutch and others are available or underway. The tool can be used to enable faceted browsing, semantic search, among other applications. In this webinar we will describe what is DBpedia Spotlight, how it works and how can you benefit from it in your application.
If you are interested in Linked (Open) Data principles and mechanisms, LOD tools & services and concrete use cases that can be realised using LOD then join us in the free LOD2 webinar series!
http://lod2.eu/BlogPost/webinar-series
This webinar in the course of the LOD2 webinar series will present Zemanta and its LODRefine - a LOD-enabled version of OpenRefine (previously Google Refine), which is a part of the LOD2 stack. LODRefine extends cleansing and linking functionalities of OpenRefine by providing means to reconcile and augment your data with DBpedia or any other SPARQL endpoint, extract named entities using Zemanta API, export data in one of the RDF formats, and recently also to exploit available crowdsourcing services. In webinar we will demonstrate several task which demonstrate the ease of use and versatility of LODRefine.
If you are interested in Linked (Open) Data principles and mechanisms, LOD tools & services and concrete use cases that can be realised using LOD then join us in the free LOD2 webinar series: http://lod2.eu/BlogPost/webinar-series
This webinar in the course of the LOD2 webinar series will present the implications of Linked Open Data and Semantic Web Technologies in the information and publishing industry.
The publishing industry is struggling with too much information on the one hand and too less resources to bring meaning to this information on the other hand. As an industrial use case partner in LOD2, Wolters Kluwer Deutschland GmbH investigates in detail, how LOD and Semantic Web have the potential to solve this critical issue for their business. The presentation will show what parts of the LOD2 stack are used within the use case and what challenges had to be addressed in the last two years. Interesting future areas like natural language processing will also be mentioned. The topics covered are relevant for any industry that deals with a lot of data and documents, not only publishing.
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This webinar in the course of the LOD2 webinar series will present use cases and live demos of PoolParty (by Semantic Web Company).
Knowledge organization systems like taxonomies or thesauri can benefit from linked data approaches and vice versa. In recent years SKOS became very popular in various industries due to its simplicity, SKOS turned out to be the entry point to the Semantic Web. Learn more about the possibilities to link your enterprise metadata with the web of data! Learn more about the possibilities to link your enterprise metadata with the web of data and PoolParty as means for linked data management!
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http://lod2.eu/BlogPost/webinar-series
This webinar in the course of the LOD2 webinar series will present use cases and live demos of D2R (Free University Berlin) and Sparqlify (University of Leipzig).
D2R Server is a tool for publishing relational databases on the Semantic Web. It enables RDF and HTML browsers to navigate the content of the database, and allows applications to query the database using the SPARQL query language.
Sparqlify is a tool enabling one to define expressive RDF views on relational databases and query them with a subset of the SPARQL query language. By featuring a novel RDF view definition syntax, it aims at simplifying the RDB-RDF mapping process.
more to be found at:
Born from the wish to make linking tractable, the Link Discovery Framework for Metric Spaces (LIMES) is tailored towards the time-efficient and lossless discovery of links across knowledge bases. LIMES is an extensible declarative framework that encapsulates manifold algorithms dedicated to the processing of structured data of any sort. Built with extensibility and easy integration in mind, LIMES allows implementing applications that integrate, consume and/or generate Linked Data. Within LOD2, it will be used for discovering links between knowledge bases.
This webinar will be presented by the LOD2 Partner: University of Leipzig (ULEI), Germany.
State of Play presentation at the LOD2 Plenary Vienna 2012: WP10 - Training, Dissemination, Community Building, Fertilization by Martin Kaltenböck, Semantic Web Company (SWC)
State of Play presentation at the LOD2 Plenary Vienna 2012: WP9A - LOD for a Distributed Marketplace for Public Sector Contracts by Vojtěch Svátek (UEP)
State of Play presentation at the LOD2 Plenary Vienna 2012: WP8: Linked Open Data for Enterprise Data Web by Amar-Djalil MEZAOUR,Dassault Systèmes Exalead.
State of Play presentation at the LOD2 Plenary Vienna 2012: WP7 - Linked Open Data for Media and Publishing by Christian Dirschl, Wolters Kluwer Germany
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LOD2 Plenary Vienna 2012: WP9 publicdata.eu – Publishing Governmental Information as Linked Data
1. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
WP 9 – Use Case 3:
LOD2 for Citizen
Irina Bolychevsky
Open Knowledge Foundation
Irina.bolychevsky@okfn.org
LOD2 Plenary - S tate of Play
Vienna, 21st March 2012
Publicdata.eu okfn.org ckan.org TheDataHub.org ://lod 2.e u
h ttp
LO D 2 – WP 7. 21 .03.2 01 2. Page 1 h ttp ://lod 2.e u
2. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
The Open Knowledge Foundation
A not-for-profit organisation promoting openness in all its
forms.
Progress through community engagement - organise events
to bring people together.
We have projects and partnerships throughout the world,
especially in Europe.
We build tools and communities to create, use and share open knowledge - content and data that every
Aim to improve governance, research and the economy.
WP 9. 21 .03.2 01 2. Page 2 h ttp ://p u b lic d ata.e u h ttp ://c k an.org h ttp ://lod 2.e u
3. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
P r o eo W 9
ups f P
“increase public access to high-value, machine-readable
data sets generated by the European, national as well as
regional governments and public administrations”
WP 9. 21 .03.2 01 2. Page 3 h ttp ://p u b lic d ata.e u h ttp ://c k an.org h ttp ://lod 2.e u
4. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
Powered by CKAN
WP 9. 21 .03.2 01 2. Page 4 h ttp ://p u b lic d ata.e u h ttp ://c k an.org h ttp ://lod 2.e u
5. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
Cu r n T s sf rW 9( F
ret ak o P OK N)
Task 9.1 Adaptation and Deployment of the LOD2 Stack for PublicData.eu
(OKFN, NUIG, ULEI)
Task 9.2 Personalization of PublicData.eu (OKFN, ULEI)
Task 9.3 Development of Data Curation, Publication and Access Strategies for
Governments and Public Administration Based on Open Standards and Linked
Data Principles (OKFN, FUB, TenForce)
Task 9.4 Publication of eGovernment Datasets (OKFN, FUB, SWCG, WKD)
WP 9. 21 .03.2 01 2. Page 5 h ttp ://p u b lic d ata.e u h ttp ://c k an.org h ttp ://lod 2.e u
6. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
Cu r n De iv r b e f rW 9( F
r e t l e a ls o P OK N)
D 9.3.1 Guide and Best Practices Presentation – M18
D 9.1.1 First Release of the PublicData.eu Website and Tools – M20
D 9.3.2 Guide and Best Practices Brochure – M24
D 9.4 Report about the Availability of eGovernment Datasets - M24
WP 9. 21 .03.2 01 2. Page 6 h ttp ://p u b lic d ata.e u h ttp ://c k an.org h ttp ://lod 2.e u
7. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
B s P a t e P e e t t n&B o h r
e t r c ic s r s n a io r cue
Task 9.3:
‘develop a guide on data curation, publication and access strategies based on
open standards and Linked Data principles.’
D9.3.1 – Guide and best practices presentation
D9.3.2 – Guide and best practices brochure
'identifier creation and selection
reuse of popular vocabularies
generating and maintaining links to other data sources
recipes for serving linked data from relational representations
testing and debugging open data sets
discovery of open data on the Web'
Detailed description of work
WP 9. 21 .03.2 01 2. Page 7 h ttp ://p u b lic d ata.e u h ttp ://c k an.org h ttp ://lod 2.e u
8. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
WP 9. 21 .03.2 01 2. Page 8 h ttp ://p u b lic d ata.e u h ttp ://c k an.org h ttp ://lod 2.e u
9. Cr a in K o l d eo t fIt r in e Da a
et g n we g u o n el kd t
P b ic t .e U d t
u l Da a u p a e
CKAN team working hard on additional features aimed at making data more
accessible:
- Data previews & visualization
- Improvements to groups
- Activity Steams
- User & group profiles
- Tag vocabularies
PublicData.eu has been upgraded to the latest version of CKAN
Harvesting fixed and re-run
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H r e t gin oP b ic t .e
a v s in t u l Da a u
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U P– Cz c CK N: R s l sa dA h v m n s
E eh A e u t n c ie e e t
Data in the Czech CKAN:
- 1608 data files in 167 packages
- Data from web pages of ministries, Czech statistical office, regions and the City
of Prague
Main topics:
- Budgets
- Labour market
- Education
- Grants
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In order to make use of the Czech CKAN easier we prepared:
- CKAN usage methodology
- CKAN quick start guide
- Czech localization of the user interface
Triplification experiment:
- 2 datasets from CKAN triplified
- Structure of datasets modelled using UML class diagrams
- Excel spreadsheets loaded into a PostgreSQL database and exported as RDF
using D2R Server
Future steps for discussion in Break Out Session:
Further development of the methodology
Translation of the methodology into English
Keep on translating CKAN into Czech
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Communication and Events
Presented PublicData.eu & LOD2 at ePSI Conference 2012
Open Government Data Camp in Warsaw
New Linked Data page on CKAN wiki with notes & next steps:
http://wiki.ckan.org/Linked_Data
Skype meetups about CKAN & Linked Data
17th November 2011: http://ckan.okfnpad.org/meetup-2011-11-17
2nd February 2012: http://ckan.okfnpad.org/meetup-2012-02-02
LOD2 / CKAN integration call: http://ckan.okfnpad.org/LOD2-integration
Datacatalogs.org now has 216 registered catalogs and 17 curated groups
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OK N: F t r id a f rb e k u s s io d c s io
F u u e e s o r a o t e s n is u s n
Breakout session on Friday afternoon
Metadata and catalog standards & interoperability: want meetings, consensus,
decisions
Extending the coverage of datacatalogs.org
Review CKAN + LOD2 meetings: integration, actions, progress
For publicdata.eu:
- Fully multilingual capabilities: translation of search query terms, metadata
translations using a vocabulary, consistent navigation within a language interface
- Integration of LOD2 stack, greater linked data capabilities, RDF export
- Update of Apps and Ideas. Possibly integrate ideas with GetTheData.org?
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Irina Bolychevsky
Open Knowledge Foundation
Irina.bolychevsky@okfn.org
@shevski
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