<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.5750000 36.8833333, 137.5812500 36.8833333, 137.5812500 36.8875000, 137.5750000 36.8875000, 137.5750000 36.8833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral