<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6687500 36.9583333, 138.6750000 36.9583333, 138.6750000 36.9625000, 138.6687500 36.9625000, 138.6687500 36.9583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral