<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9500000 36.4375000, 138.9562500 36.4375000, 138.9562500 36.4416667, 138.9500000 36.4416667, 138.9500000 36.4375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral