<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.5062500 38.2750000, 138.5125000 38.2750000, 138.5125000 38.2791667, 138.5062500 38.2791667, 138.5062500 38.2750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral