<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.8562500 36.9666667, 137.8625000 36.9666667, 137.8625000 36.9708334, 137.8562500 36.9708334, 137.8562500 36.9666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral