<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2687500 38.1041667, 138.2750000 38.1041667, 138.2750000 38.1083333, 138.2687500 38.1083333, 138.2687500 38.1041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral