Constructing Semantic Gazetteers: Managing GeoSpatial Vocabularies Using Open Semantic Web Standards
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Constructing Semantic Gazetteers: Managing GeoSpatial Vocabularies Using Open Semantic Web Standards
- 1. Constructing Semantic Gazetteers: Managing GeoSpatial Vocabularies Using Open Semantic Web Standards Stephane Fellah Barry J. Glick Yaser Bishr smartRealm LLC [email_address] Association of American Geographers (AAG) Annual Conference Washington DC, April 15, 2010
- 4. Role of gazetteer services ADEPT, Smith, October 1999 Where is …? What’s there? What happened there? Books News Web Publications Archives Geo referencing using gazetteer services Data smartRealm LLC confidential 9/16/2009
- 5. Semantic gazetteer vs. traditional gazetteers smartRealm LLC confidential 9/16/2009 Semantic gazetteer Traditional gazetteer services Multiple classification schemes Point geometry Multi geometry Geo-spatial semantic relations Time stamp for features Time stamp for geometries Time stamp for other properties Semantic disambiguation Profile gazetteer KB capable Spatial queries (Bbox, AOI) (only points)
- 13. RDF: Graph Representation Equivalent in relational model Model minimalist: the TRIPLE Model association attribute Literal Object Object
- 14. Linked Open Data
- 15. Geospatial Semantic Web Architecture Source: Berners-Lee AAAI July 2006 Geospatial Datatypes Geospatial Functions Geospatial Ontology Extensions Geospatial Logic
- 19. Example of Classification Scheme
- 23. Geocoding Process ASFA XML Q3 list Q3 extraction SKOS Encoding Top Concepts (Countries, Sea Zones) ASFIS7 SKOS Geocoder Geocoded ASFIS7 SKOS Post Processing (bbox, centroid) Reasoning Post-processed Geocoded ASFIS7 SKOS Indexing Inferred Geocoded ASFIS7 SKOS ASFIS7 Index Indexing Mapping SmartRealm Gazetteer Oracle Spatial Index
- 31. Geonames RDBMS KMS SQL Engine KMS Mapping RDBMS Model Table/Column Country.shp Feature Store KMS Feature Engine KMS Mapping Feature Model FeatureType Attribute Admin1.shp Feature Store KMS Feature Engine KMS Mapping RDF Graph RDF Graph RDF Graph Feature Model FeatureType Attribute World Seas ASFA Sea Zones Feature Store KMS Feature Engine KMS Mapping RDF Graph Feature Model FeatureType Attribute Data Product Layer Hydrology Ontology Administrative Division Ontology Feature Model Upper ontology Ontological Layer Semantic Gazetteer API Data Layer Knowledge Integration Approach
Editor's Notes
- GUI Description: The following picture depict the browsing of a geospatial hierarchical facet. Any selection on the facet acts as a filter in GUI and can be easily removed at any time. Moreover, if a facet item is selected then all the children facet item is displayed in sorted order with document counts.