<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8187500 35.4958334, 138.8250000 35.4958334, 138.8250000 35.5000000, 138.8187500 35.5000000, 138.8187500 35.4958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral