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Linked data as a library data platform

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Talk about converting library data to linked data at ELAG 2010.

Talk about converting library data to linked data at ELAG 2010.

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  • 1. Linked Data as a Library Data Platform A Proof of Concept from National Technical Library of Czech Republic Jindřich Mynarz National Technical Library ELAG 2010 Helsinki June 10th 2010
  • 2. Overview  Library data  Linked data  Converting library data to linked data  Distribution  Benefits of linked library data
  • 3. Library data are not very readable
  • 4. Source: National Library of the Czech Republic card catalogue Catalog card - record
  • 5. MARC Record CAPTCHA - Completely Automated Public Turing test to tell Cataloguers and Humans Apart
  • 6. Library data in XML are still not very readable
  • 7. Library-specific access protocols (Z39.50, OAI-PMH)
  • 8. http://www.flickr.com/photos/lwr/144004119/
  • 9. ttp://www.flickr.com/photos/dullhunk/303503677 Linked data
  • 10. Linked data principles Thou shalt:  Use URIs as names for things.  Use HTTP URIs so that people can look up those names.  When someone looks up a URI, provide useful information, using the standards (RDF, SPARQL).  Include links to other URIs. so that they can discover more things.
  • 11. http://www.flickr.com/photos/dullhunk/3525013547
  • 12. Data conversion  Choosing datasets  Choosing description  Extraction  Linking  Distribution
  • 13. Choosing description  Domain ontologies  Established, popular (Dublin Core, SKOS) Falcons concept search
  • 14. http://blissfullydomestic.com/2010/spring-clean-your-blog-comments Extraction - matching dirty data
  • 15. Linking Library data already contain links
  • 16. Links to resources identified by code values
  • 17. Links to classification notations
  • 18. Links to persons
  • 19. Links to geographical entities and institutions
  • 20. „Outsourcing“ authorities  DBPedia  VIAF  Geonames
  • 21. http://thesecretmirror.com/linked-data/why-you-should-support-linked-data Crawling data
  • 22. Distribution  Lightweight API  Single interface to the datasets
  • 23. http://www.flickr.com/photos/virtualsugar/316200555 Open bibliographic data
  • 24. Open licences
  • 25. National Technical Library's library linked data prototype http://www.panoramio.com/photo/20268409  Incomplete  Parallel coexistence with the original way of data distribution
  • 26. Benefits of linked library data  Readable  Sharable  Linkable  Distributable  Integrable  ?-able
  • 27. Changes
  • 28. Questions!
  • 29. http://www.flickr.com/photos/theredproject/3302110152 Jindřich Mynarz www.techlib.cz/en jindrich.mynarz@techlib.cz @jindrichmynarz

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