<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6750000 36.2916667, 138.6812500 36.2916667, 138.6812500 36.2958334, 138.6750000 36.2958334, 138.6750000 36.2916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral