<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4562500 38.2541667, 138.4625000 38.2541667, 138.4625000 38.2583333, 138.4562500 38.2583333, 138.4562500 38.2541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral