<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6437500 37.3041667, 138.6500000 37.3041667, 138.6500000 37.3083333, 138.6437500 37.3083333, 138.6437500 37.3041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral