Public Linked Open Data - the Publications Office Contribution to - PowerPoint PPT Presentation

Public Linked Open Data - the Publications Office Contribution to the Semantic Web Audience: Audience: W3C Workshop: Making the Multilingual Web Work W3C Workshop: Making the Multilingual Web Work Delivered by: Delivered by: Peter Schmitz - Peter Schmitz - Publications Office of the Publications Office of the European Union (Publications Office) European Union (Publications Office) Date: Date: 13/03/2013 13/03/2013

2 Publications Publications Office of the EU Office of the EU Publisher of the EU Institutions Publisher of the EU Institutions mandatory publications: legislation non-mandatory publications: books, eBooks, posters, leaflets… ..but also: ..but also: allocation of international standard numbers, cataloguing, indexation, distribution, promotion, sale, storage and archiving ..and finally: ..and finally: in the middle of a major change initiative: from paper to electronic, from a publisher to an information provider and in this context also towards a provider of multilingual open data

3 Publications Publications Office of the EU - Office of the EU - Multilingualism Multilingualism Dealing with multilingualism is core business! Daily simultaneous and partially synoptic publication in up to 23 languages: Bulgarian Czech Danish Dutch English Estonian Finnish French German Greek Hungarian Irish Italian Latvian Lithuanian Maltese Polish Portuguese Romanian Slovak Slovene Spanish Swedish

4 4 Publications Publications Office of the EU - Office of the EU - Multilingualism Multilingualism Multilingual public websites Multilingual public websites Access to European Union law European public procurement CORDIS – Community Research and Development Information Service All EU publications

5 Multilingual Web – relevant systems CELLAR CELLAR Common repository for content and metadata EU Data Portal EU Data Portal Open Data Hub of the European Union EuroVoc EuroVoc Multilingual thesaurus MDR MDR Metadata Registry

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7 CELLAR – CELLAR – Figures Figures Start of initial load: May 2012 Status at the 7th of March 2013: Count (*) of triples: 719.916.730 719.916.730 Count of manifestations per format: 14.007.390 14.007.390 pdf pdf 8.952.408 8.952.408 xml xml 8.369.374 8.369.374 html html 4.429.379 4.429.379 pdfa1b pdfa1b 3.275.685 3.275.685 xhtml xhtml 2.391.283 2.391.283 fmx4 fmx4 1.646.626 1.646.626 jpg jpg 971.465 971.465 pdfa1a pdfa1a 782.065 782.065 tif tif 28.056 28.056 pdfx pdfx doc 13.644 13.644 doc

8 CELLAR – CELLAR – Open Data Open Data …through RESTful API

9 CELLAR – CELLAR – Open Data Open Data …through Sparql endpoint

10 10 EU Data Portal EU Data Portal http://open-data.europa.eu/open-data/ http://open-data.europa.eu/open-data/ Commission reuse policy: Commission reuse policy: Framework: Decision of the 11th of December 2011 http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2011:330:0039:0042:EN:PDF Tool: EU Data Portal Article 5 of the decision: The Commission shall set up a data portal as a single point of access to its structured data so as to facilitate linking and reuse for commercial and non-commercial purposes.

11 11 EU Data Portal – open data EU Data Portal – open data • RDF based interface for upload of metadata <?xml version="1.0" encoding="UTF-8" ?> - <rdf:RDF xmlns:ecodp="http://ec.europa.eu/open-data/ontologie/ec-odp# http://ec.europa.eu/open-data/ontologie/ec-odp#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns# http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:foaf="http://xmlns.com/foaf/0.1/ http://xmlns.com/foaf/0.1/" xmlns:dct="http://purl.org/dc/terms/ http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema# http://www.w3.org/2001/XMLSchema#" xmlns:skos="http://www.w3.org/2004/02/skos/core# http://www.w3.org/2004/02/skos/core#" xmlns:dcat="http:// http:// www.w3.org/ns/dcat# www.w3.org/ns/dcat#" xmlns:dc="http://purl.org/dc/elements/1.1/ http://purl.org/dc/elements/1.1/" xmlns:owl="http://www.w3.org/2002/07/owl# http://www.w3.org/2002/07/owl#" xmlns:skos-xl="http://www.w3.org/2008/05/skos-xl# http://www.w3.org/2008/05/skos-xl#" xmlns:dcam="http://purl.org/dc/dcam/ http://purl.org/dc/dcam/" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema# http://www.w3.org/2000/01/rdf-schema#" xmlns="http://ec.europa.eu/open-data/ontologies/ec-odp-example# http://ec.europa.eu/open-data/ontologies/ec-odp-example#"> <!-- Dataset type and URI, don't fill in the CKAN catalog idnetifier here --> - <dcat:Dataset rdf:about="http://publications.europa.eu/resource/authority/language/ http://publications.europa.eu/resource/authority/language/"> <!-- Title, 1 ... 1 can be filled in in multiple translations through --> <dct:title xml:lang="en en">Languages Name Authority List Languages Name Authority List</dct:title> <!-- Alternative Title(s), 0..* --> <dct:alternative xml:lang="en en">Languages NAL Languages NAL</dct:alternative> <!-- Description, 1..* --> <dct:description xml:lang="en en">The Languages name authority list or authority table is a controlled vocabulary listing languages with their authority code and their label in The Languages name authority list or authority table is a controlled vocabulary listing languages with their authority code and their label in the 23 official languages of the EU when available. The table is based on the ISO 639 standards and provides mappings between them. This table is maintained by the the 23 official languages of the EU when available. The table is based on the ISO 639 standards and provides mappings between them. This table is maintained by the Publications Office of the EU in its Metadata Registry (MDR) Publications Office of the EU in its Metadata Registry (MDR)</dct:description> <!-- Keyword, 0..* --> <ecodp:keyword xmlns:ecodp="http://ec.europa.eu/open-data/ontologies/ec-odp# http://ec.europa.eu/open-data/ontologies/ec-odp#" xml:lang="en en">authority data authority data</ecodp:keyword> <ecodp:keyword xmlns:ecodp="http://ec.europa.eu/open-data/ontologies/ec-odp# http://ec.europa.eu/open-data/ontologies/ec-odp#" xml:lang="en en">controlled vocabulary controlled vocabulary</ecodp:keyword> <!-- Identifier, 0..* --> <dct:identifier xml:lang="en en">language language</dct:identifier> <!-- Interoperability level, 0..1 --> - <ecodp:interoperabilityLevel xmlns:ecodp="http://ec.europa.eu/open-data/ontologies/ec-odp# http://ec.europa.eu/open-data/ontologies/ec-odp#"> <skos:Concept rdf:about="http://ec.europa.eu/open-data/kos/interoperability-level/Semantic http://ec.europa.eu/open-data/kos/interoperability-level/Semantic" /> </ecodp:interoperabilityLevel> … • Metadata stored in triple store and accessible through Sparql endpoint • Already several data providers provide RDF

12 12 EuroVoc – multilingual thesaurus EuroVoc – multilingual thesaurus http://eurovoc.europa.eu/drupal/ http://eurovoc.europa.eu/drupal/ Eurovoc available in SKOS/RDF or XML format Integrated in the semantic model of the CELLAR Outlook: EuroVoc will be stored and accessed through the CELLAR

13 13 MDR – multilingual controlled vocabularies MDR – multilingual controlled vocabularies http://publications.europa.eu/mdr/index.html http://publications.europa.eu/mdr/index.html Interinstitutional Metadata Registery: controlled vocabulaires, exchange protocol Approved data is public available Outlook: Publication and access through CELLAR, individual URIs for controlled vocabularies will become resolvable, CELLAR ontology will be integrated.