<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8625000 38.6500000, 139.8687500 38.6500000, 139.8687500 38.6541667, 139.8625000 38.6541667, 139.8625000 38.6500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral