<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6250000 36.2958334, 138.6312500 36.2958334, 138.6312500 36.3000000, 138.6250000 36.3000000, 138.6250000 36.2958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral