<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.3875000 38.0375000, 138.3937500 38.0375000, 138.3937500 38.0416667, 138.3875000 38.0416667, 138.3875000 38.0375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral