<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4625000 35.5583333, 138.4687500 35.5583333, 138.4687500 35.5625000, 138.4625000 35.5625000, 138.4625000 35.5583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral