SISAI STATISTICAL INFORMATION SYSTEMS ARCHITECTURE AND INTEGRATION WORKING GROUP 3rdMEETING 13-14 MAY 2013 ITEM 2.5 Dissemination of statistical data and metadata as linked data
Dissemination of statistical data and metadata as linked data SISAI 2013 15 May 2013
Agenda What is linked data? Why publish linked data? How to publish linked data? Process Vocabularies Tools Examples Challenges Dissemination of statistical data and metadata as linked data 15 May 2013
What is linked data? Data directly on the web Structured in graphs (not in documents on the web) Structured in graphs Atomic component: RDF triple Conformant to web standards Identified by URIs Accessible via HTTP Dereferencing (content negociation) Querying (SPARQL) Different from open data Dissemination of statistical data and metadata as linked data 15 May 2013
Why publish linked data? It is easy to use in applications Mashups Visualisations It can link to other datasets Published by you Out there on the web It is easy to attach metadata If you don’t, others will Dissemination of statistical data and metadata as linked data 15 May 2013
Why publish statistical linked data? Because it is useful data… …or metadata… …that others want to link to Because it is good data Because you are a trusted publisher Because you are a data professional Because you want your data to be used Dissemination of statistical data and metadata as linked data 15 May 2013
How to publish linked data? Process Chose data and metadata Chose vocabularies Design URI policy Transform to RDF Add links to other datasets Document Publish Reference Use Make use Get feedback Maintain Dissemination of statistical data and metadata as linked data 15 May 2013
How to publish linked data? Vocabularies SKOS / XKOS: concept schemes, code lists, classifications Data Cube: dimensional data ADMS, DCAT, Disco: metadata Do it yourself: OWL Tools Vocabulary: LOV, Protégé Whole process: Datalift SKOS / XKOS: PoolParty, TopBraid EVN, iQvoc, … Data Cube: Linked SDMX, SDMX-RI? Do it yourself: Apache Jena, OpenRDF Sesame Visualization: CubeViz, D4, JavaScript tools, … Dissemination of statistical data and metadata as linked data 15 May 2013
Examples Concept schemes, code lists, classifications Dimensional data Eurovoc, LCSH, Agrovoc, GEMET INSEE Dimensional data Eurostat ECB, WorldBank ISTAT Immigrazione The Scottish Government Other data Open Data Communities PublicData.eu Dissemination of statistical data and metadata as linked data 15 May 2013
Challenges Business Case Naming and modeling Change management Insertion in the statistical process Production Publication Technology Data confidentiality Dissemination of statistical data and metadata as linked data 15 May 2013
Special announcement First international workshop on semantic statistics (SemStat 2013) Hosted by the 12th International Semantic Web Conference (ISWC 2013) 21-25 October 2013, Sydney, Australia http://iswc2013.semanticweb.org/ Dissemination of statistical data and metadata as linked data 15 May 2013
Dissemination of statistical data and metadata as linked data Thank you for your attention! Insee 18 bd Adolphe-Pinard 75675 Paris Cedex 14 www.insee.fr Informations statistiques : www.insee.fr / Contacter l’Insee +33 9 72 72 4000 (coût d’un appel local) du lundi au vendredi de 9h00 à 17h00 Contact Franck Cotton Tél. : +33 1 41 17 54 59 Courriel : franck.cotton@insee.fr