<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9125000 36.4875000, 138.9187500 36.4875000, 138.9187500 36.4916667, 138.9125000 36.4916667, 138.9125000 36.4875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral