<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9062500 36.3416667, 138.9125000 36.3416667, 138.9125000 36.3458334, 138.9062500 36.3458334, 138.9062500 36.3416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral