<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1812500 35.9541667, 138.1875000 35.9541667, 138.1875000 35.9583333, 138.1812500 35.9583333, 138.1812500 35.9541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral