<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.7187500 35.7458334, 138.7250000 35.7458334, 138.7250000 35.7500000, 138.7187500 35.7500000, 138.7187500 35.7458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral