<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.7812500 37.6458334, 138.7875000 37.6458334, 138.7875000 37.6500000, 138.7812500 37.6500000, 138.7812500 37.6458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral