<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6625000 37.5500000, 139.6687500 37.5500000, 139.6687500 37.5541667, 139.6625000 37.5541667, 139.6625000 37.5500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral