<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6812500 39.8541667, 141.6875000 39.8541667, 141.6875000 39.8583333, 141.6812500 39.8583333, 141.6812500 39.8541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral