<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2375000 38.0791667, 138.2437500 38.0791667, 138.2437500 38.0833333, 138.2375000 38.0833333, 138.2375000 38.0791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral