<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6687500 36.5541667, 136.6750000 36.5541667, 136.6750000 36.5583333, 136.6687500 36.5583333, 136.6687500 36.5541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral