1. SISAI STATISTICAL INFORMATION SYSTEMS ARCHITECTURE AND INTEGRATION
WORKING GROUP 3rdMEETING MAY 2013 ITEM 2.5 Dissemination of statistical data and metadata as linked data

2. Dissemination of statistical data and metadata as linked data
SISAI 2013
15 May 2013

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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
Dissemination of statistical data and metadata as linked data
15 May 2013

12. Dissemination of statistical data and metadata as linked data
Thank you for your attention!
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