<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6687500 36.2041667, 139.6750000 36.2041667, 139.6750000 36.2083333, 139.6687500 36.2083333, 139.6687500 36.2041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral