<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.5000000 38.2916667, 138.5062500 38.2916667, 138.5062500 38.2958334, 138.5000000 38.2958334, 138.5000000 38.2916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral