<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2687500 38.1208334, 138.2750000 38.1208334, 138.2750000 38.1250000, 138.2687500 38.1250000, 138.2687500 38.1208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral