<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6875000 35.1875000, 138.6937500 35.1875000, 138.6937500 35.1916667, 138.6875000 35.1916667, 138.6875000 35.1875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral