<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9750000 36.2791667, 138.9812500 36.2791667, 138.9812500 36.2833333, 138.9750000 36.2833333, 138.9750000 36.2791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral