<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9375000 38.9791667, 139.9437500 38.9791667, 139.9437500 38.9833333, 139.9375000 38.9833333, 139.9375000 38.9791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral