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Employing Google Refine to publish Linked Data

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Employing Google Refine to publish Linked Data

  1. 1. Employing Google Refine to Publish Linked Data<br />Fadi Maali and Richard Cyganiak<br />
  2. 2. Road map<br />Self-Service Linked Government Data<br />Google Refine<br />RDF Export Extension<br />RDF Reconciliation Extension<br />
  3. 3. We need government data as Linked Data not just Raw Data<br /> ….aha, and of a good quality!<br />
  4. 4. Raw data catalogue, data.gov<br />
  5. 5. We want governments to provide Linked Data not just Raw Data… and of good quality<br />TIME<br />MONEY<br />SKILLS<br />
  6. 6. From raw data to Linked Data<br />DIY<br />
  7. 7. DIY Recipe<br />Tool support to select datasets of interest and put them into RDF<br />Publishers provide RDF representation of their catalogues<br />User shares the RDF data<br />
  8. 8. DIY Recipe<br />Publishers provide RDF representation of their catalogues<br />Tool support to select datasets of interest and put them into RDF<br />User shares the RDF data<br />dcat<br />
  9. 9. DIY Recipe<br />Tool support to select datasets of interest and put them into RDF<br />Publishers provide RDF representation of their catalogues<br />User shares the RDF data<br />dcat<br />Google Refine<br />+ RDF export extension<br />+ RDF reconciliation extension<br />
  10. 10. DIY Recipe<br />User shares the RDF data<br />Publishers provide RDF representation of their catalogues<br />Tool support to select datasets of interest and put them into RDF<br />dcat<br />Google Refine<br />Share RDF data along with the conversion process description<br />+ RDF export extension<br />+ RDF reconciliation extension<br />Provenance & Reproducibility<br />
  11. 11. Road map<br />Self-Service Linked Government Data<br />Google Refine<br />RDF Export Extension<br />RDF Reconciliation Extension<br />
  12. 12. Google Refine<br /> Google Refine is a power tool for working with messy data, cleaning it up, transforming it from one format into another, extending it with web services, and linking it to databases like Freebase*<br />Desktop application that a user interacts with using a web browser<br />Open Source (New BSD License)<br />Extensible<br />*http://code.google.com/p/google-refine/<br />
  13. 13. Demo<br />
  14. 14. Demo<br />Top 100 IT university in UK (Guardian data blog http://www.guardian.co.uk/news/datablog/2009/jun/02/universityguide-choosingadegree)<br />
  15. 15. Demo<br />
  16. 16. Demo<br />
  17. 17. Demo<br />
  18. 18. Demo<br />
  19. 19. Demo<br />Top 100 Electronic Engineering university in UK (Guardian data blog http://www.guardian.co.uk/news/datablog/2009/jun/02/universityguide-choosingadegree)<br />
  20. 20. Demo<br />
  21. 21. RDF Reconcile Extension<br />Sindice search API<br />Silk LSL<br />Crafted RDF<br />Silk Server<br />RDF Reconcile Extension<br />Google Refine<br />SPARQL<br />SPARQL endpoint<br />Hybrid SPARQL<br />SPARQL endpoint with fulltext extension<br />
  22. 22. Benchmarking…<br />Reconciling DailyMed against Dbpedia (SPARQL endpoint)<br />
  23. 23. Benchmarking…<br />Reconciling DailyMed against Sider RDF dump<br />
  24. 24. Conclusion<br />Publishers provide RDF representation of their catalogues<br />Tool support to select datasets of interest and put them into RDF<br />User shares the RDF data<br />dcat<br />Google Refine<br />??<br />+ RDF export extension<br />+ RDF reconciliation extension<br />
  25. 25. Links<br />Google Refine http://code.google.com/p/google-refine/<br />RDF Export Extension http://lab.linkeddata.deri.ie/2010/grefine-rdf-extension/<br />RDF Reconciliation Extensionwill be released soon…<br />

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