<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6312500 37.0250000, 138.6375000 37.0250000, 138.6375000 37.0291667, 138.6312500 37.0291667, 138.6312500 37.0250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral