<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2937500 38.0125000, 138.3000000 38.0125000, 138.3000000 38.0166667, 138.2937500 38.0166667, 138.2937500 38.0125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral