<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6875000 37.0791667, 138.6937500 37.0791667, 138.6937500 37.0833333, 138.6875000 37.0833333, 138.6875000 37.0791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral