<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6437500 37.4333333, 138.6500000 37.4333333, 138.6500000 37.4375000, 138.6437500 37.4375000, 138.6437500 37.4333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral