<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6812500 36.6875000, 136.6875000 36.6875000, 136.6875000 36.6916667, 136.6812500 36.6916667, 136.6812500 36.6875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral