メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.516407376897 39.4093327081893, 140.514476405145 39.4087532229164, 140.515294288507 39.4069524391723, 140.516297556633 39.4063970340294, 140.517492756899 39.4058571320985, 140.517561723052 39.4062457239736, 140.517585921321 39.406331507319, 140.517585493014 39.4064268659348, 140.517575632545 39.4065721650327, 140.517587710238 39.4066198426492, 140.517688018107 39.4075540719384, 140.517846010764 39.4086528565548, 140.517882138684 39.4088196748708, 140.516698456657 39.4088617738261, 140.516407376897 39.4093327081893)) ^^http://www.opengis.net/ont/geosparql#wktLiteral