<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2750000 37.1791667, 138.2812500 37.1791667, 138.2812500 37.1833333, 138.2750000 37.1833333, 138.2750000 37.1791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral