<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6187500 40.6208334, 140.6250000 40.6208334, 140.6250000 40.6250000, 140.6187500 40.6250000, 140.6187500 40.6208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral