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Open Data vs. Linked Data - A differentiation

Open Data vs. Linked Data - A differentiation

Slides by Adrian Pohl for the ELAG 2011 Workshop "Open Bibliographic Data: Licensing. Activities. Strategies" held on 25/26 May 2011.

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May 25, 2011
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  1. Open Data vs. Linked Data - A differentiation ELAG 2011,

    Prague Workshop: Open Bibliographic Data: Licensing. Activities. Strategies, 25./26. May 2011 Adrian Pohl <pohl@hbz-nrw.de>
  2. “Open“ "A piece of knowledge is open if you are

    free to use, reuse, and redistribute it" http://www.opendefinition.org/okd 2
  3. Why?  Open Access for data  Maximum visibility and

    accessability  Legal compatibility of distributed data  Driving competition → better services 3
  4. Open Data Licenses  Attribution (ODC-BY)  Attribution-Share-Alike (OdbL) 

    Public-Domain (CC0, PDDL)  CC-BY, CC-BY-SA for some uses  No Non-Commercial-Lizenzen http://www.opendefinition.org/licenses/#Data 4
  5. Open Data is a question of…  Access  Standards

     Licensing  Attribution  Share-Alike  Public Domain  No non-commercial licenses 5
  6. Linked Data is a question of… Best Practices for identifiers

    (HTTP-URIs) for modelling data (RDF) for ontologies (RDFS, OWL) for querying (SPARQL) 6
  7. 7

  8. Linked Open Data 8

  9. 9 http://www.w3.org/DesignIssues/LinkedData.html & http://lab.linkeddata.deri.ie/2010/star-scheme-by-example/

  10. License 10 Diese Folien sind unter einer Creative-Commons-Lizenz veröffentlicht: http://creativecommons.org/licenses/by/3.0/de/