<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2187500 36.6500000, 137.2250000 36.6500000, 137.2250000 36.6541667, 137.2187500 36.6541667, 137.2187500 36.6500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral