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Linked Open Library Data @hbz

Linked Open Library Data @hbz. Bielefeld Conference, 26.04.2012 Dr. Silke Schomburg. Agenda. Basics Why LOD? hbz LOD activities lobid.org culturegraph Perspectives. 2. Basics. 3. <skip> Linked Data Principles </skip>. 4. <skip> Picture of LOD cloud </skip>. 5.

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Linked Open Library Data @hbz

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  1. Linked Open Library Data @hbz Bielefeld Conference, 26.04.2012 Dr. Silke Schomburg

  2. Agenda • Basics • Why LOD? • hbz LOD activities • lobid.org • culturegraph • Perspectives 2

  3. Basics 3

  4. <skip> Linked Data Principles </skip> 4

  5. <skip> Picture of LOD cloud </skip> 5

  6. A sustainable strategy of publishing and linking data on the web requires the data to be open. 6

  7. http://www.w3.org/DesignIssues/LinkedData.html &http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/ 7

  8. Why LOD? 8

  9. Motivation • Use of international and cross-domain webstandards leads to • Increased discoverability • Multiple usabilityofonedataset • Maximizedinteroperability & re-usability • Flexibledata model • Things youcan‘tsayabout traditional librarydata… 9

  10. Expected ROI • Synergy effects through standardization of technology stack: • Quantitative: saved resources • Qualitative: improved services 10

  11. hbz LOD activities 11

  12. 12

  13. lobid.org 13

  14. Technology stack • Data: exports from legacy systems & LOD dumps • Triple Store: 4store • Search engine: elasticsearch • RDF browser: Phresnel • Read news on our hbz LOD blog 14

  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 Source: http://lobid.org/organisation/DE-361/about

  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 Source: http://lobid.org/resource/HT002948556/about

  19. culturegraph 19

  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. culturegraph as signpost in the LOD cloud Culturegraph ? ! Different services Differentinterfaces Hiddenduplicates 21

  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. Perspectives 23

  24. Bulding a service-oriented library infrastructure • Centered around culturegraph • Funded by DFG (?) • Cooperative development by several German library service centers and DNB 24

  25. 25

  26. Characteristics • Based on free flow of open data • Real-time communication • Web Services: • Deduplication Service • Identifier Service • Holdings & Availability Service • … • Generic API 26

  27. SWIB 2012 • ”Semantic Web in Libraries" (SWIB) hosted by hbz and ZBW – Leibniz Information Centre for Economics • Cologne, 27. - 29.11.2012 • http://swib.org/ 27

  28. Thanks.Questions? With pleasure now/here or also later to semweb@hbz-nrw.de 28

  29. License These slides are published under a Creative Commons license: http://creativecommons.org/licenses/by/3.0/de/ 29

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