<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4062500 36.3541667, 138.4125000 36.3541667, 138.4125000 36.3583333, 138.4062500 36.3583333, 138.4062500 36.3541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral