<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9687500 37.5458334, 138.9750000 37.5458334, 138.9750000 37.5500000, 138.9687500 37.5500000, 138.9687500 37.5458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral