<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8437500 37.4750000, 138.8500000 37.4750000, 138.8500000 37.4791667, 138.8437500 37.4791667, 138.8437500 37.4750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral