<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6375000 37.1375000, 138.6437500 37.1375000, 138.6437500 37.1416667, 138.6375000 37.1416667, 138.6375000 37.1375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral