<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9125000 39.2125000, 139.9187500 39.2125000, 139.9187500 39.2166667, 139.9125000 39.2166667, 139.9125000 39.2125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral