<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.9250000 36.9166667, 136.9312500 36.9166667, 136.9312500 36.9208334, 136.9250000 36.9208334, 136.9250000 36.9166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral