Querying Geospatial Data over the Web: a GeoSPARQL Interface. - Nancy Wiegand; Ralph Grove; James Wilson 003; Dave Kolas (GeoRich@SIGMOD, 2014)

GeoSPARQL Query Tool - A Geospatial Semantic Web Visual Query Tool. - Ralph Grove; James Wilson 003; Dave Kolas; Nancy Wiegand (WEBIST (2), 2014)