<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9937500 37.8208334, 139.0000000 37.8208334, 139.0000000 37.8250000, 138.9937500 37.8250000, 138.9937500 37.8208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral