<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8625000 37.1833333, 138.8687500 37.1833333, 138.8687500 37.1875000, 138.8625000 37.1875000, 138.8625000 37.1833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral