<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8375000 36.2750000, 138.8437500 36.2750000, 138.8437500 36.2791667, 138.8375000 36.2791667, 138.8375000 36.2750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral