<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6312500 37.3958334, 138.6375000 37.3958334, 138.6375000 37.4000000, 138.6312500 37.4000000, 138.6312500 37.3958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral