<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1812500 37.6875000, 139.1875000 37.6875000, 139.1875000 37.6916667, 139.1812500 37.6916667, 139.1812500 37.6875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral