メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.505991735899 40.6041153420498, 140.506717188009 40.6041653904207, 140.506539606225 40.6053158299683, 140.50640287223 40.6062570637021, 140.506359301842 40.6065926253952, 140.506245817396 40.6070670901387, 140.506147625627 40.6074153012906, 140.505933390824 40.6079054506844, 140.505810631546 40.6081321526017, 140.505552847256 40.6085214234848, 140.505421763601 40.6087320580753, 140.505172774833 40.6090350917713, 140.505084414057 40.6090892273768, 140.504784532862 40.6086471459623, 140.504555499814 40.608301165878, 140.504491567873 40.6081506254222, 140.504389601868 40.6079106181528, 140.504294871243 40.6075555232478, 140.504226237437 40.6070085603757, 140.504287504848 40.606063944588, 140.504351884617 40.6055621114098, 140.50455135331 40.6040073073565, 140.505991735899 40.6041153420498)) ^^http://www.opengis.net/ont/geosparql#wktLiteral