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Knowledge Organization with Wikipedia – Joining the Free Encyclopaedia and Digital Libraries Jakob Voss Wikimedia Deutschland e.V. / Common Library Network (GBV) 5 th NKOS Workshop, Alicante September 21, 2006. CC-SA-2.5. [[ Outline ]]. Wikipedia Wikipedia's Category system Mapping

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Knowledge Organization with Wikipedia – Joining the Free Encyclopaedia and Digital Libraries


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    1. Knowledge Organizationwith Wikipedia –Joining the Free Encyclopaedia and Digital Libraries Jakob VossWikimedia Deutschland e.V. /Common Library Network (GBV) 5th NKOS Workshop, Alicante September 21, 2006 CC-SA-2.5 Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006

    2. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Outline]] • Wikipedia • Wikipedia's Category system • Mapping • Indexing with Wikipedia articles • Summary • Learn from Wikipedia

    3. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[What Wikipedia is]] • Collaborative edited • Free Content • Encyclopaedias • ~5 million articles, >50.000 editors • 230 languages (~50 with > 10.000) • Non-commercial, no ads • TOP 16 website by access

    4. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[How Wikipedia is created]] 1) Find something to improve 2) Do it right 3) Let other people improve it

    5. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Wikipedia categories]] • Tagging by linking[[Categorie:Information Science]][[Category:Belgion Inventor]]... • Open for all • Blind tagging • No aggregation (set-model) • Multi-hierarchical relations • High connectivity Example: http://en.wikipedia.org/wiki/Paul_Otlet

    6. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Wikipedia categories]]

    7. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Category system as KOS]] Collaboratively edited, general thesaurus (en, Jan 2006: 91,502 categories, 923,196 articles) Voss (2006): Collaborative thesaurus tagging the Wikipedia way http://arxiv.org/abs/cs.IR/0604036

    8. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Mapping categories]] • Articles linked via interlanguage links[[en:Paul_Otlet]], [[en:Paul_Otlet]]… • Categories linked via interlanguage links • Inter-Wiki mapping with cooccurences http://tools.wikimedia.de/~voj/cgi-bin/cocat?wikilang=en&wikifam=.wikipedia.org&cat=Information_science

    9. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Mapping categories and KOS]] • Manually add links to other KOS • [[Kategorie:Informetrie]] <->JITA class BBbibliometric methodshttp://de.wikipedia.org/wiki/Kategorie:Informetrie • Not very visible • Difficult to judge

    10. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Mapping articles and KOS]] • Links to authority file PND(German National Library) {{PND|119510928}} • De, Aug 2006:>100.000 biographies~ 20% with PND • Plans with GKD(corporate bodies) • 1:1, 1:n, n:m Wikipedia article PND ... Library Museum

    11. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Indexing and the Semantic Web]] Redirects & Disambiguation=> Controlled vocabulary Stable referable concepts for indexing (indentity and reference in SW) Proposed by Bunescu & Pasça (2006), Fernandéz-García et al (2005), Hepp et al (2006), Krizhanovsky (2006),: Synonym search in Wikipedia: Synarcher, Lüer (2006), Voss (2006)… Solution: Published Subject IdentifiersPepper (2006) Changes and stable version URI/URL

    12. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Semantic Wikipedia]] Typed links: [[is capital of::England]]=> RDF triples Völkel et al (2006): Semantic Wikipedia. WWW2006 conference

    13. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Join Wikipedia and KOS]] KOS WikipediaContent Wikipedia KOS Linking and Mapping Enrichment Portal, Meta-KOS… Wikipedia = KOS KOS Wikipedia Combination Integration

    14. Jakob Voss : Knowledge Organization with Wikipedia. 5th NKOS Workshop, Sep 21,2006 [[Learn from Wikipedia]] Free you research (open access) Free your data (verifyability) Free your code (open source) Free your KOS (interoperability) Full references are listed at http://bibliography.wikimedia.de