<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1812500 37.1416667, 138.1875000 37.1416667, 138.1875000 37.1458334, 138.1812500 37.1458334, 138.1812500 37.1416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral