<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.3750000 35.8041667, 138.3812500 35.8041667, 138.3812500 35.8083333, 138.3750000 35.8083333, 138.3750000 35.8041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral