LD4L OCLC Data Strategy
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Richard Wallis from OCLC presented on building a library knowledge graph to improve library workflows like cataloging and discovery. He discussed modeling entities like people, places, concepts and linking them together to form a graph. This knowledge graph could improve data quality, enable point-and-click cataloging, and help libraries better expose their unique content on the web. OCLC's approach involves modeling things of interest and making them available using web-friendly structures.
LD4L OCLC Data Strategy
- 1. Richard Wallis OCLC Data Strategy Technology Evangelist @rjw LD4L Workshop – Stanford University – February 23rd 2015
- 2. Richard Wallis OCLC Data Strategy Technology Evangelist @rjw LD4L Workshop – Stanford University – February 23rd 2015 Building on a Web of Knowledge
- 3. The Web of …
- 4. The Web of … Documents Active Documents Discovery ☌
- 5. The Web of … Documents Active Documents Discovery ☌ ✔ ✔
- 6. The Web of … Documents Active Documents Discovery ☌ ✔ ✔ ✗
- 7. The Web of … Documents Active Documents Discovery Data ☌☌ ✔ ✔ ✗
- 8. The Web of … Documents Active Documents Discovery Data ☌☌ ✔ ✔ ✔✗ ✗
- 9. The Web of … Documents Active Documents Discovery Data Knowledge ☌☌ ✔ ✔ ✔✗ ✗☌
- 10. The Web of … Documents Active Documents Discovery Data Knowledge ☌☌ ✔ ✔ ✔✗ ✗ ? ☌
- 13. http://www.opte.org/ The Web of Data A Library Shaped Black Hole ?
- 17. Entities in a Knowledge Graph
- 18. Entities in a Knowledge Graph
- 19. Open Linked Data -‐ Silos Library Linked Data Projects
- 20. British Library German National Library French National Library Swedish National Library Open Linked Data -‐ Silos Library Linked Data Projects
- 21. British Library German National Library French National Library Swedish National Library Open Linked Data -‐ Silos Library Linked Data Projects
- 22. British Library German National Library French National Library Swedish National Library Open Linked Data -‐ Silos Library Linked Data
- 23. British Library German National Library French National Library Swedish National Library Open Linked Data -‐ Silos Library Linked Data
- 24. British Library German National Library French National Library Swedish National Library Open Linked Data -‐ Silos Behind A Vocabulary Barrier Library Linked Data
- 27. A general purpose vocabulary for describing things on the web
- 28. A general purpose vocabulary for describing things on the web "Used by 5 million domains" "25% of pages in our indexes" "15% of the Web"
- 29. A general purpose vocabulary for describing things on the web "Used by 5 million domains" "25% of pages in our indexes" de facto y "15% of the Web"
- 30. A general purpose vocabulary for describing things on the web "Used by 5 million domains" "25% of pages in our indexes" de facto y • Linked Data "15% of the Web"
- 31. A general purpose vocabulary for describing things on the web "Used by 5 million domains" "25% of pages in our indexes" de facto y • Linked Data • Embedded in HTML "15% of the Web"
- 32. A general purpose vocabulary for describing things on the web "Used by 5 million domains" "25% of pages in our indexes" de facto y • Linked Data • Embedded in HTML • RDFa, Microdata, JSON-‐LD "15% of the Web"
- 33. A general purpose vocabulary for describing things on the web "Used by 5 million domains" "25% of pages in our indexes" de facto y • Linked Data • Embedded in HTML • RDFa, Microdata, JSON-‐LD • Descriptive data "15% of the Web"
- 34. A general purpose vocabulary for describing things on the web "Used by 5 million domains" "25% of pages in our indexes" de facto y • Linked Data • Embedded in HTML • RDFa, Microdata, JSON-‐LD • Descriptive data • Active links "15% of the Web"
- 35. THE LIBRARY KNOWLEDGE GRAPH Towards person place object concept organization work
- 36. The library knowledge graph A graph of relationships person place object concept organization work
- 37. The library knowledge graph A graph of relationships person place object concept organization work start here
- 38. The library knowledge graph A graph of relationships person place object concept organization work start here
- 39. The library knowledge graph A graph of relationships person place object concept organization work start here ILL and AnalyticsCataloging Discovery Integration with the web The library knowledge graph Putting entities in library workflows
- 40. ILL and AnalyticsCataloging Discovery Integration with the web The library knowledge graph Putting entities in library workflows
- 41. Entities and library workflows Cataloging Improve data quality • Link to authoritative sources A new approach to cataloging • Point and click cataloging • Managing entities instead of managing records Consistent with RDA
- 42. Entities and library workflows Cataloging Improve data quality • Link to authoritative sources A new approach to cataloging • Point and click cataloging • Managing entities instead of managing records Consistent with RDA
- 43. Entities and library workflows Cataloging Improve data quality • Link to authoritative sources A new approach to cataloging • Point and click cataloging • Managing entities instead of managing records Consistent with RDA Entities and library workflows Discovery
- 44. Entities and library workflows Discovery
- 45. Entities and library workflows DiscoveryEntities and library workflows Web exposure 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
- 46. WHAT’S HAPPENING A Library Data Revolution person place object concept organization work
- 47. WHAT’S HAPPENING A Library Data Revolution person place object concept organization work
- 48. WHAT’S HAPPENING A Library Data Revolution person place object concept organization work OCLC’s Approach to Discoverable Data Model things of interest to the web.
- 49. WHAT’S HAPPENING A Library Data Revolution person place object concept organization work OCLC’s Approach to Discoverable Data Model things of interest to the web.
- 50. WHAT’S HAPPENING A Library Data Revolution person place object concept organization work OCLC’s Approach to Discoverable Data Model things of interest to the web. Make those things available via structures familiar to the web. Schema Bib Extend – http://www.w3.org/community/schemabibex
- 51. WHAT’S HAPPENING A Library Data Revolution person place object concept organization work OCLC’s Approach to Discoverable Data Model things of interest to the web. Make those things available via structures familiar to the web. Schema Bib Extend – http://www.w3.org/community/schemabibex BiblioGraph.net – http://bibliograph.net
- 52. WHAT’S HAPPENING A Library Data Revolution person place object concept organization work OCLC’s Approach to Discoverable Data Model things of interest to the web. Make those things available via structures familiar to the web. Improve library workflows. Schema Bib Extend – http://www.w3.org/community/schemabibex BiblioGraph.net – http://bibliograph.net
- 53. ENTITIES AND WORLDCAT The Library Data Revolution person place object concept organization work
- 54. Getting from here to there
- 55. Data from a converted record does not an entity make Transformation into Linked Data is just a beginning … Getting from here to there
- 56. Data from a converted record does not an entity make Transformation into Linked Data is just a beginning … • Mine and analyse the aggregate Getting from here to there
- 57. Data from a converted record does not an entity make Transformation into Linked Data is just a beginning … • Mine and analyse the aggregate • Identify, map, merge -‐ evidence based Getting from here to there
- 58. Data from a converted record does not an entity make Transformation into Linked Data is just a beginning … • Mine and analyse the aggregate • Identify, map, merge -‐ evidence based • Relate to external sources Getting from here to there
- 59. Data from a converted record does not an entity make Transformation into Linked Data is just a beginning … • Mine and analyse the aggregate • Identify, map, merge -‐ evidence based • Relate to external sources • Share authoritative entities Getting from here to there
- 61. • 197+ million Work descriptions and URIs • Schema.org + BiblioGraph.net • RDF Data formats • RDF/XML, Turtle, Triples, JSON-‐LD • Links to WorldCat manifestations • Links to Dewey, LCSH, LCNAF, VIAF, FAST • Open Data license via Linked Data Explorer • 2015: Discovery API, Metadata API • Released April 2014 http://www.oclc.org/dataThe Work Entity
- 66. • 98+ million Person descriptions and URIs • Person entities with authority: 20.2 million • Person entities without authority: 78.3 million • Schema.org + BiblioGraph.net • Harvested from WorldCat data and enriched from other hubs RDF Data formats • RDF/XML, Turtle, Triples, JSON-‐LD • Links to WorldCat Works. Added links from WC Works. • Open Data license via Linked Data Explorer • 2015: Linked Data Explorer, Discovery API http://www.oclc.org/dataThe Person Entity
- 68. • Photo credit: http://measuringupblog.com/app/wp-‐content/uploads/2013/11/blogpic2.jpg
- 69. • Photo credit: http://measuringupblog.com/app/wp-‐content/uploads/2013/11/blogpic2.jpg Can we measure impact?
- 73. ✓ 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 2013 OCLC Entity-‐ Based Data Strategy
- 74. ✓ 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 ! … • More Entities Released • Person • Manifestation • Organization • Concept ! ! • New Products • Continuing Evangelism ! • New Services • Continuing Innovation ! 2013 OCLC Entity-‐ Based Data Strategy
- 75. ✓ 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 ! … • More Entities Released • Person • Manifestation • Organization • Concept ! ! • New Products • Continuing Evangelism ! • New Services • Continuing Innovation ! 2013 OCLC Entity-‐ Based Data Strategy
- 76. ✓ 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 ! … • More Entities Released • Person • Manifestation • Organization • Concept ! ! • New Products • Continuing Evangelism ! • New Services • Continuing Innovation ! 2013 OCLC Entity-‐ Based Data Strategy
- 77. ✓ 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 ! … • More Entities Released • Person • Manifestation • Organization • Concept ! ! • New Products • Continuing Evangelism ! • New Services • Continuing Innovation ! 2013 OCLC Entity-‐ Based Data Strategy
- 78. ✓ 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 ! … • More Entities Released • Person • Manifestation • Organization • Concept ! ! • New Products • Continuing Evangelism ! • New Services • Continuing Innovation ! 2013 OCLC Entity-‐ Based Data Strategy
- 79. Richard Wallis OCLC Data Strategy Technology Evangelist @rjw LD4L Workshop – Stanford University – February 23rd 2015
- 80. Richard Wallis OCLC Data Strategy Technology Evangelist @rjw LD4L Workshop – Stanford University – February 23rd 2015 Building on a Web of Knowledge