<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6875000 36.6625000, 136.6937500 36.6625000, 136.6937500 36.6666667, 136.6875000 36.6666667, 136.6875000 36.6625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral