<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9187500 37.6458334, 139.9250000 37.6458334, 139.9250000 37.6500000, 139.9187500 37.6500000, 139.9187500 37.6458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral