Linked Open Library Data @hbz

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Slides for Silke Schomburg's / Adrian Pohl's talk at Bielefeld Conference 2012.

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Linked Open Library Data @hbz

  1. 1. Linked Open Library Data @hbz Bielefeld Conference, 26.04.2012 Silke Schomburg & Adrian Pohl
  2. 2. Agenda1.LOD Basics2.Why LOD?3.hbz LOD activities a) lobid.org b) culturegraph4.Perspectives 2
  3. 3. LOD Basics 3
  4. 4. <skip> Linked Data Principles </skip>http://www.w3.org/DesignIssues/LinkedData.html 4
  5. 5. <skip> Picture of LOD cloud </skip>http://richard.cyganiak.de/2007/10/lod/ 5
  6. 6. A sustainable strategy ofpublishing and linking dataon the web requires the datato be open*. * http://opendefinition.org/okd/ 6
  7. 7. http://www.w3.org/DesignIssues/LinkedData.html &http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/ 7
  8. 8. Why LOD? 8
  9. 9. Motivation Use of international and cross- domain web standards leads to Increased discoverability Multiple usability of one dataset Maximized interoperability & re- usability Flexible data model 9
  10. 10. Expected ROI Synergy effects through standardization of technology stack: Quantitative: saved resources Qualitative: improved services 10
  11. 11. hbz LOD activities 11
  12. 12. Since 2009 Annual SWIB conference (with ZBW)03/2010 First open data publicationSince Coordinating the OKFN WG on Open06/2010 Bibliographic Data07/2010 lobid.org launched11/2010 culturegraph.org starts01/2011 Principles on openbiblio data09/2011 Igelu Linked Open Data Special Interest Working Group established11/2011 Legal open data guide published DINI-KIM recommendations for opening up library data 12
  13. 13. lobid.org 13
  14. 14. Technology stack Triple Store/SPARQL endpoint: 4store Search engine: elasticsearch RDF browser: Phresnel Data: exports from legacy systems & LOD dumps Read news on our hbz LOD blog 14
  15. 15. lobid-organisations RDF descriptions for more than 40k international organisations Data sources: German ISIL registry & MARC Organization Code database Not (yet) openly licensed 15
  16. 16. 16Source: http://lobid.org/organisation/DE-361/about
  17. 17. lobid-resources LOD interface for open data from hbz union catalog Licensed with CC0 Currently more than 10M records Links to other datasets (GND, ZDB, DBpedia, dewey.info, …) See description on the Data Hub for more information 17
  18. 18. 18Source: http://lobid.org/resource/HT002948556/about
  19. 19. culturegraph 19
  20. 20. Open platform for interconnecting datasets Persistent identification of entities Computation of similarities and links Administration and publication of mappings Open Data / Free Software 20
  21. 21. culturegraph as signpost in the LOD cloud Culturegraph Different services ? ! Different interfacesHiddenduplicates 21
  22. 22. First Project: Resolving & Lookup Input: 6 German union catalogs Objective: Bundling of manifestations Service: Publication of bundles Minting URNs for approved bundles Search bundles using established identifiers Take a look at the Demonstrator 22
  23. 23. Perspectives 23
  24. 24. Exploring opportunities for future catalogingFuture web-based catalogingplatforms…are based on Linked Data standardspush changes in real timesupport versioning re-use data from/link to the Giant Global Graph 24
  25. 25. Building a service-oriented library infrastructureBased on free flow of open dataReal-time communicationWeb Services: Deduplication Service Identifier Service Holdings & Availability Service …Easy-to-use API 25
  26. 26. 26
  27. 27. SWIB 2012”Semantic Web in Libraries" (SWIB)hosted by hbz and ZBW – LeibnizInformation Centre for EconomicsCologne, 27. - 29.11.2012http://swib.org/ 27
  28. 28. Thanks. Questions?With pleasure now/here or also later to semweb@hbz-nrw.de 28
  29. 29. LicenseThese slides are published under a CreativeCommons license:http://creativecommons.org/licenses/by/3.0/de/ 29

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