<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.8875000 36.8500000, 136.8937500 36.8500000, 136.8937500 36.8541667, 136.8875000 36.8541667, 136.8875000 36.8500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral