Self-Service Linked Government Data with dcat and Gridworks

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Self-Service Linked Government Data with dcat and Gridworks

  1. 1. Self-Service Linked Government Data with dcat and Gridworks<br />FadiMaali, Richard Cyganiak, VassiliosPeristeras<br />Triplification Challenge 2010 at I-Semantics, Graz<br />
  2. 2. Raw data catalog, data.gov<br />
  3. 3. Government data catalogs worldwide<br />http://datos.fundacionctic.org/sandbox/catalog/map<br />
  4. 4. We want governments to provide Linked Data, not just Raw Data<br />
  5. 5. From Raw Data to Linked Data<br />Formats<br />Vocabularies<br />Stable URIs<br />Hosting/resolvability<br />Interlinking<br />Reconciliation/deduplication<br />
  6. 6. We want governments to provide Linked Data, not just Raw Data<br />
  7. 7. We want governments to provide Linked Data, not just Raw Data<br />Time<br />Money<br />Skills<br />
  8. 8. DIY<br />
  9. 9. dcatData Catalog Vocabulary<br />
  10. 10. Government data catalogs worldwide<br />http://datos.fundacionctic.org/sandbox/catalog/map<br />
  11. 11. Survey of data catalogs<br />
  12. 12. Survey of data catalogs<br />
  13. 13. dcat Vocabulary<br />
  14. 14. dcat at W3C<br />dcat Task Force<br />Part of W3C eGovernment Interest Group<br />http://www.w3.org/egov/wiki/Data_Catalog_Vocabulary<br />
  15. 15. Four catalogs in SPARQL<br />http://lab.linkeddata.deri.ie/govcat/<br />US, Australia, London, SF<br />
  16. 16. Gridworks<br />Made by David Huynh at Metaweb (now Google)<br />Explore, clean up and improve tabular data<br />Desktop app<br />http://code.google.com/p/freebase-gridworks/<br />
  17. 17. Gridworks<br />
  18. 18. Extending Gridworks<br />
  19. 19. Extension I: Browse dcat in Gridworks<br />
  20. 20. Extension I: Browse dcat in Gridworks<br />
  21. 21. Extension II: RDF export<br />
  22. 22. Extension II: RDF export<br />
  23. 23. Next steps<br />Reconciliation across datasets<br />Share the mappings<br />Linked Data hosting<br />
  24. 24. Summary<br />dcat<br />RDF vocabulary for government data catalogs<br />W3C eGovernment Interest Group<br />Gridworks<br />Great workbench for tabular data<br />Extensible!<br />RDF export for Gridworks<br />http://bit.ly/gridworks-rdf<br />

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