<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8375000 39.2791667, 141.8437500 39.2791667, 141.8437500 39.2833333, 141.8375000 39.2833333, 141.8375000 39.2791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral