<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0187500 39.0458334, 141.0250000 39.0458334, 141.0250000 39.0500000, 141.0187500 39.0500000, 141.0187500 39.0458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral