<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6875000 37.3250000, 138.6937500 37.3250000, 138.6937500 37.3291667, 138.6875000 37.3291667, 138.6875000 37.3250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral