<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4062500 36.9000000, 138.4125000 36.9000000, 138.4125000 36.9041667, 138.4062500 36.9041667, 138.4062500 36.9000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral