<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9187500 36.4958334, 138.9250000 36.4958334, 138.9250000 36.5000000, 138.9187500 36.5000000, 138.9187500 36.4958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral