<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.3187500 35.8083333, 138.3250000 35.8083333, 138.3250000 35.8125000, 138.3187500 35.8125000, 138.3187500 35.8083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral