<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9000000 37.2166667, 138.9062500 37.2166667, 138.9062500 37.2208334, 138.9000000 37.2208334, 138.9000000 37.2166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral