<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2562500 37.8125000, 138.2625000 37.8125000, 138.2625000 37.8166667, 138.2562500 37.8166667, 138.2562500 37.8125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral