<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4562500 36.1791667, 138.4625000 36.1791667, 138.4625000 36.1833333, 138.4562500 36.1833333, 138.4562500 36.1791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral