<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.2500000 36.6875000, 137.2562500 36.6875000, 137.2562500 36.6916667, 137.2500000 36.6916667, 137.2500000 36.6875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral