viaf update t. hickey, oclc chief scientist strasbourg 2013-02-25

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VIAF Update

VIAF UpdateT. Hickey, OCLCChief ScientistStrasbourg 2013-02-25Virtual International Authority FileMerge of 27+ national level authority files34 million authority records103 million bibliographic records23 million merged clustersPersonal, corporate, geographic, works and expressions

Updated monthlyOpen license, bulk downloads

2ExampleLouis Pasteur Professor of Chemistry at the University of Strasbourg, in 1848Married the rectors daughter in 18493 of 5 children died of typhoid, which inspired his work on diseases3

New ParticipantsNational Diet LibraryDBC (Denmark)National Library of the NetherlandsNational Library Board of Singapore

Coming:National Library of PolandNational Library of LatviaNational Library of Croatia

StatisticsOnline (browser) Usage

Had 3 days with substantial problems in 2012Now over 1 million transactions/day (12/sec)20112012Visits364K882KVisitors139K491KPageviews2M3.7MChangesWikipediaNow treated as a sourceISNI1.3 million linksShould it be treated as a source?Matching improvementsMatchingmuch harder on undifferentiated names; they can no longer pull together other recordsImproved use of DNB information for corporate namesRecognize VIAF IDs in source files and use them as strong hints in matching

ISNI should shortly have 5 million links

13VIAF DirectionsExpanding view of where names come fromMore sourcesScholars funnelWorldCat*More types of namesMore fictional charactersShips, animals, deities, *Production level serversMore reports to participants* Yet to be decided14