<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6750000 37.5500000, 139.6812500 37.5500000, 139.6812500 37.5541667, 139.6750000 37.5541667, 139.6750000 37.5500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral