Does Linked Data Have to be Open?

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30 January 2017, Lancster Data ConversationsReflections from the Pelagios CommonsLeif Isaksen, Lancaster Universityhttp://commons.pelagios.org@Pelagiosproject Does Linked Data Have to be Open?**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 CuratorsConcept SchemesConnectingInfrastructure & SupportWhat is Pelagios?A DecentralisedCommunity & Infrastructurefor Linked Open Geodata in the Humanities1/1***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 model1/1**The concept | Dont Unify the Model Annotate!*1/1**PleiadesAncientWorldResourcesPelagios network | Interlinking different knowledge communitiesTowards a digital scholarship | Future Footnotes1/1**API v.3 query (Peripleo) | Searching by placeAPI v.3 query | The Pelagios network of different traditionsThings weve learned | 1. Open partnerships are more efficient than closed consortia Linking data is a social process:Involves multiple datasets, organisations, rolesInertia in one area has knock-on effects in many othersRestricting visibility in one area reduces impact in othersGreater likelihood of failure due to policy decsionsOpen partnerships more likely to:Attract new membersDrive sectoral changeStuff weve learned | 2. Speed-reading?Sources:Internet ArchiveHathi Trust /(Google Books)Eighteenth Century Collections Online (2)115 books (in 2 days) 17/18/19th Century 75 Books with historical descriptions of Forres40 books with no references16 inaccessible OnlineOfflineHathiTrustNat. Lib. ScotlandSenate House Lib., London?Stuff weve learned | You cant do it all by yourself MetadataVisual contentCharacter encodedStructuredSemantically taggedSemantically modelled**1/1**1/1**1/1**1/1**