<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8625000 38.8750000, 139.8687500 38.8750000, 139.8687500 38.8791667, 139.8625000 38.8791667, 139.8625000 38.8750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral