<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6937500 36.6500000, 136.7000000 36.6500000, 136.7000000 36.6541667, 136.6937500 36.6541667, 136.6937500 36.6500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral