<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9000000 38.6875000, 139.9062500 38.6875000, 139.9062500 38.6916667, 139.9000000 38.6916667, 139.9000000 38.6875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral