<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7687500 38.7458334, 139.7750000 38.7458334, 139.7750000 38.7500000, 139.7687500 38.7500000, 139.7687500 38.7458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral