メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.224509248443 36.0887969254513, 136.224116487019 36.0888196285517, 136.223955114056 36.0888318246592, 136.223979165997 36.0885735594263, 136.224046921876 36.088573434774, 136.224060185004 36.088098187299, 136.224136098364 36.0878123564255, 136.22448828825 36.0878080468159, 136.224494236529 36.0883024981202, 136.224509248443 36.0887969254513)) ^^http://www.opengis.net/ont/geosparql#wktLiteral