<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2812500 38.0250000, 138.2875000 38.0250000, 138.2875000 38.0291667, 138.2812500 38.0291667, 138.2812500 38.0250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral