<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6375000 36.1500000, 138.6437500 36.1500000, 138.6437500 36.1541667, 138.6375000 36.1541667, 138.6375000 36.1500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral