<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8250000 35.6458334, 138.8312500 35.6458334, 138.8312500 35.6500000, 138.8250000 35.6500000, 138.8250000 35.6458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral