<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6125000 37.3500000, 138.6187500 37.3500000, 138.6187500 37.3541667, 138.6125000 37.3541667, 138.6125000 37.3500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral