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ADL Gazetteer A Library – Faculty Collaboration STKO Lab.

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Presentation on theme: "ADL Gazetteer A Library – Faculty Collaboration STKO Lab."— Presentation transcript:

1 ADL Gazetteer A Library – Faculty Collaboration STKO Lab

2 Project Goal: To build a linked-data place name thesaurus with geometries, tightly controlled place types, and temporal awareness

3 Definitions: Gazetteer: a placename dictionary in which each entry has a spatial reference that can be mapped Geometries: digital representations of points, lines, and polygons Place types: a hierarchical ontology in which to categorize locations. e.g.: populated places, cities, mountains, hydrologic features

4 Backgound Born to enable spatial search during Alexandria Digital Library era (1994 – 2006) Overtaken by map-based search c. 2004 The Yelp Paradigm Splippy maps The Great Recession: 2008 STKO Lab founded 2011

5 Reviving the Gazetteer 2012: post-doc attempts to lift with public documents 2013: missing datafile found in remnants of ADL. Jano lifts postGRESql Gazetteer 2014-15: Matched to Natural Earth Data boundaries Placenames refreshed from BGN’s GNIS (domestic) Working on NGA’s GEOnet (foreign) Triplified (converted to RDF linked-data) geoSPARQL endpoint Browse/Search interface

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10 http://adl-gazetteer.geog.ucsb.edu/ADL/kyyiv_4193851 rdf:type: http://adl-gazetteer.geog.ucsb.edu/ONT/ADL#capitals geosparql:hasGeometry: http://adl-gazetteer.geog.ucsb.edu/ADL/kyyiv_4193851_g_54e19c9589bf9 ns0:hasAlternateName: Kijow ns1:hasAlternateName: Kiyev ns2:hasAlternateName: Kiev ns3:hasAlternateName: Kyyiv ns4:hasAlternateName: Kiew ns5:hasAlternateName: Kief ns6:hasAlternateName: Kiyiv ns7:hasAlternateName: Kijew ns8:hasDescription: ns9:hasEntryDate: 1998-12-03 ns10:hasModificationDate: 2004-02-25 ns11:hasSchema: ADL Feature Type Thesaurus ns12:onPlanet: http://adl-gazetteer.geog.ucsb.edu/ADL/earth ns13:centerLongitude: 30.516666 ns14:centerLatitude: 50.433334 ns15:geomType: Point gn:parentFeature: http://adl-gazetteer.geog.ucsb.edu/ADL/administrativeunitn_28554 ns16:hasPrimaryName: Kyyiv - Ukraine ns17:hasRelatedFeature: http://adl-gazetteer.geog.ucsb.edu/ADL/utm_grid_ua28_3192537 ns18:hasRelatedFeature: http://adl-gazetteer.geog.ucsb.edu/ADL/jog_sheet_number_nm36_0_6564841 ns19:hasRelatedFeature: http://adl-gazetteer.geog.ucsb.edu/ADL/ukraine_9947817

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12 Next steps: Update feature type thesaurus Fix obvious mistakes Missing root node Oil platforms are water bodies Modernize the ontology Train library staff to maintain vocabulary achievable

13 Next steps Integrate into ADRL Fedora repository metadata schemas Adopt as spatial facet in Blacklight searches aspirational

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