<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.3375000 37.9541667, 138.3437500 37.9541667, 138.3437500 37.9583333, 138.3375000 37.9583333, 138.3375000 37.9541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral