<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.6812500 36.9541667, 137.6875000 36.9541667, 137.6875000 36.9583333, 137.6812500 36.9583333, 137.6812500 36.9541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral