<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4375000 38.2875000, 138.4437500 38.2875000, 138.4437500 38.2916667, 138.4375000 38.2916667, 138.4375000 38.2875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral