メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.310134570141 36.3032001815314, 136.309496178679 36.303438029294, 136.309265565341 36.303018072331, 136.309004894269 36.3028726370267, 136.309094399873 36.302801496389, 136.30864053322 36.3019897613598, 136.309197893147 36.3016207617543, 136.310121878509 36.3031756236386, 136.310134570141 36.3032001815314)) ^^http://www.opengis.net/ont/geosparql#wktLiteral