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Links and Entities: The Library Data Revolution

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OCLC's data strategy for improving metadata management and exposure of library collections on the web. Presented as the keynote address at the OhioNet RDA Workshop "RDA 4 Everyone" on July 10, 2014

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Links and Entities: The Library Data Revolution

  1. 1. Ted Fons LinksandEntities:TheLibrary DataRevolution Executive Director, Data Services & WorldCat Quality OhioNet RDA Workshop – July 10, 2014
  2. 2. Entities, The Web & Library Metadata person place object concept organization work
  3. 3. Knowledge cards for libraries Google Knowledge Graph
  4. 4. Library data stored as entities person place object concept organization work author subjectitem availability
  5. 5. Entities, The Web & Library Metadata person place object concept organization work
  6. 6. person place object concept organization work library data stored as entities library knowledge graph A graph of relationships
  7. 7. library data stored as entities library knowledge graph Works FRBR : Manifestation FRBR: Work/Expression FRBR : Manifestation
  8. 8. The Benefits of Entities in Library Workflows person place object concept organization work
  9. 9. Cataloging Integration with the web Cascading updates More options Intuitive searching Putting entities in library workflows
  10. 10. • Knowledge cards • Fixes problem of “representative record” • It’s what users expect in discovery Entities and library workflows: Discovery
  11. 11. Entities and library workflows: Discovery
  12. 12. • Improve data quality – Cascading updates • A new approach to cataloging – Point and click cataloging – Managing entities instead of managing records • Consistent with RDA Entities and library workflows: Cataloging
  13. 13. edition author location holding date of publication classification publisher title source ISBN author location holding classification publisher person place object concept organization work library data: stored as records title
  14. 14. Günter Grass Born: 16 October 1927 Gdańsk, Poland German novelist, poet, playwright, illustrator, graphic artist, sculptor and recipient of the 1999 Nobel Prize in Literature. Works Subjects Quotes Find Günter Grass works at: Libraries near me | Online Retailers Germany | German literature | Historical fiction War stories | Black humor | Fantasy “Even bad books are books and therefore sacred.”— The Tin Drum MARC RECORD
  15. 15. Günter Grass German novelist, poet, playwright, illustrator, graphic artist, sculptor and recipient of the 1999 Nobel Prize in Literature. Born: 16 October 1927 Gdańsk, Poland Works Subjects Germany | German literature | Historical fiction War stories | Black humor | Fantasy Quotes “Even bad books are books and therefore sacred.”—The Tin Drum Find Günter Grass works at: Libraries near me | Online Retailers Authority File Open Web Commercial Web Authority File Works & Organization Entity Manifestation Entity
  16. 16. Günter Grass German novelist, poet, playwright, illustrator, graphic artist, sculptor and recipient of the 1999 Nobel Prize in Literature. Born: 16 October 1927 Gdańsk, Poland Works Subjects Germany | German literature | Historical fiction War stories | Black humor | Fantasy Quotes “Even bad books are books and therefore sacred.”—The Tin Drum Find Günter Grass works at: Libraries near me | Online Retailers
  17. 17. Entities and library workflows: Cataloging The Tin Drum Summary: Acclaimed as the greatest German novel since the end of World War II. The Tin Drum is the story of thirty year old Oskar Matzerath who has lived through the long Nazi nightmare and who is being held in a mental institution. Subjects Borrowing Options Ebooks | Printed Books | Audio Books Other Languages Germany - History | German literature | Political fiction Person Editor Name Authority Record Günter Grass LC NAF
  18. 18. LC NAF Expression Manifestation 1 Manifestation 2 Manifestation 3 Entities and library workflows: Cataloging The Tin Drum Summary: Acclaimed as the greatest German novel since the end of World War II. The Tin Drum is the story of thirty year old Oskar Matzerath who has lived through the long Nazi nightmare and who is being held in a mental institution. Subjects Borrowing Options Ebooks | Printed Books | Audio Books Other Languages Germany - History | German literature | Political fiction Work Editor MARC21 Output Cascading Updates Work Authority Record Name Title
  19. 19. • Interlibrary Loan – Borrow at the Work level – Manifestations/Items are detail • Analytics – Fixes “holdings scatter” across manifestations • Other third party applications – Discovery API exposes library entities Entities and library workflows: Other applications
  20. 20. • Be found on the web • Connect your users to unique content • What the web requires for web exposure – Aggregation – Familiar structures – A Network of Links – Entity Identifiers Entities and library workflows: Web exposure
  21. 21. Entities, The Web & Library Metadata person place object concept organization work What’s Happening Now…
  22. 22. What’s Happening on The Web: schema.org
  23. 23. What’s Happening in Libraries: BIBFRAME http://www.bibframe.org • LC-Sponsored • Non-Schema
  24. 24. What’s Happening in Libraries: Schema-BibExtend • W3C Activity • Schema-Based http://www.w3.org/community/schemabibex/
  25. 25. What’s Happening in Libraries: Various Groups & Efforts Linked Data • 311+ million data resources • Schema.org • Embedded RDFa
  26. 26. Entities & WorldCat person place object concept organization work
  27. 27. WorldCat Works Linked Data Works • 197+ million Work descriptions and URIs • Schema.org • RDF Data formats – RDF/XML, Turtle, Triples, JSON-LD • Links to WorldCat manifestations • Links to Dewey, LCSH, LCNAF, VIAF, FAST • Open Data license • Released April 2014
  28. 28. WorldCat Works Linked Data Single Manifestation Multiple Manifestations 197 Million Work Descriptions Linking to 311 Million Manifestations
  29. 29. OCLC Entity Based Data Strategy  VIAF, ISNI, FAST Publish Linked Data  WorldCat.org Linked Data Release – using Schema.org  Internal agreement on data strategy  Evangelism  Research & Design with Data Architecture Group  Data mining of WorldCat resources  WorldCat Works Released 2012 2014 Application Integration  WorldCat Discovery  Analytics  Discovery API  Cataloging 2015 More Entities Released  Person  Organization  Event  Concept New Products Continuing Evangelism New Services Continuing Innovation 2013 2016
  30. 30. • The Web is moving from strings to things • Describing entities and their relationships • Entities can be mined from bib records • Entities would revolutionize workflows • Entities will revolutionize discovery • Vocabulary of the Web – Schema.org • Search engines route directly to libraries • Libraries need to syndicate locally • Systems need to enable syndication • Linking to hubs of authority • Setting global context for our resources • Making Libraries relevant on/in the web It’s all about the entities enabled by just another technology Linked Data Revolutionizing Library Data Entity Based Data Architecture WorldCat Setting Context
  31. 31. How does a library contribute to all of this? Register Add your holdings & metadata to the network Manage identifiers: Authorities Institutions Follow person place object concept organization work • Schema – Bib Extend http://www.w3.org/community/schemabibex/ • OCLC – Data http://www.oclc.org/data
  32. 32. Discussion
  33. 33. Explore. Share. Magnify. fonst@oclc.org Ted Fons

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