<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4812500 37.9291667, 138.4875000 37.9291667, 138.4875000 37.9333333, 138.4812500 37.9333333, 138.4812500 37.9291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral