<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6750000 36.5041667, 136.6812500 36.5041667, 136.6812500 36.5083333, 136.6750000 36.5083333, 136.6750000 36.5041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral