Does Linked Data Have to be Open?

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  • 30 January 2017, Lancster Data Conversations

    Reflections from the Pelagios Commons

    Leif Isaksen, Lancaster University

    http://commons.pelagios.org@Pelagiosproject Does Linked Data Have to be Open?

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  • PleiadesPastPlaceGetty ThesauriPeriodOChronOntologyCanonical Text ServicesSENESCHALSNAPOCREGoogle Ancient Places (OU, Soton)Perseus Digital Library (Tufts)Arachne (Cologne)SPQR (King's College, London)Digital Memory Engineering (AIT)Open Context (UC Berkeley)CLAROS (Oxford)PtolemyMachine (Holy Cross)Ure Museum (Reading)FastiOnline (AIAC)Nomisma (ANS)Regnum Francorum OnlinePapyri.info (ISAW/NYU)Ports AntiquesOracc (U. Penn.)Meketre (Vienna)OCRE (ANS/ISAW)SquinchpixORBIS (Stanford)MJBC (Cambridge)ISAW Papers (ISAW)Totenbuch (Bonn/Cologne)PAS (The British Museum)SAWS (KCL/Uppsala/Stockholm/Vienna)Trismegistos (K. U. Leuven)AWMC (Chapel Hill)Encyclopaedia of the Hellenic World DM Project (Drew)Ancient History EncyclopediaDickinson College CommentariesEdinburgh Geoparser (Edinburgh)EDH (Heidelberg)EAGLELGPN (Oxford)...Linked Pasts| An Emerging Digital EcosystemResource Curators

    Concept SchemesConnectingInfrastructure & Support

  • What is Pelagios?

    A DecentralisedCommunity & Infrastructurefor Linked Open Geodata in the Humanities

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  • *Connectivity through common references rather than a common schemaWhat Pelagios isnt | One ring to rule them allNot a data aggregatorNot a repository Not a standard data model

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  • The concept | Dont Unify the Model Annotate!*

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  • PleiadesAncientWorldResources

    Pelagios network | Interlinking different knowledge communities

  • Towards a digital scholarship | Future Footnotes

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  • API v.3 query (Peripleo) | Searching by place

  • API v.3 query | The Pelagios network of different traditions

  • Things weve learned | 1. Open partnerships are more efficient than closed consortia Linking data is a social process:

    Involves multiple datasets, organisations, roles

    Inertia in one area has knock-on effects in many others

    Restricting visibility in one area reduces impact in others

    Greater likelihood of failure due to policy decsions

    Open partnerships more likely to:

    Attract new members

    Drive sectoral change

  • Stuff weve learned | 2. Speed-reading?Sources:

    Internet Archive

    Hathi Trust /(Google Books)

    Eighteenth Century Collections Online (2)

    115 books (in 2 days) 17/18/19th Century

    75 Books with historical descriptions of Forres

    40 books with no references

    16 inaccessible

  • OnlineOfflineHathiTrustNat. Lib. ScotlandSenate House Lib., London

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  • Stuff weve learned | You cant do it all by yourself Metadata

    Visual content

    Character encoded

    Structured

    Semantically tagged

    Semantically modelled

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