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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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slide1

Linked Open Library Data @hbz

Bielefeld Conference, 26.04.2012

Dr. Silke Schomburg

slide2

Agenda

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

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<skip>

Linked Data Principles

</skip>

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<skip>

Picture of LOD cloud

</skip>

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

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Motivation

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

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Expected ROI

  • Synergy effects through standardization of technology stack:
    • Quantitative: saved resources
    • Qualitative: improved services

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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

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lobid-organisations

  • RDF descriptions for more than 40k international organisations
  • Data sources: German ISIL registry & MARC Organization Code database
  • Not (yet) openly licensed

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

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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

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

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Open platform for interconnecting datasets

  • Persistent Identification of entities
  • Computation of similarities and links
  • Administration and publication of mappings
  • Open Data / Free Software

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culturegraph as signpost in the LOD cloud

Culturegraph

?

!

Different services

Differentinterfaces

Hiddenduplicates

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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

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Bulding a service-oriented library infrastructure

  • Centered around culturegraph
  • Funded by DFG (?)
  • Cooperative development by several German library service centers and DNB

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Characteristics

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

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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/

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License

These slides are published under a Creative Commons license:

http://creativecommons.org/licenses/by/3.0/de/

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