メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.141669734382 34.6509183678736, 135.141499848757 34.6510906376919, 135.141437507725 34.6511565499753, 135.141054030814 34.6515467343584, 135.140820743387 34.6513950289638, 135.140620400072 34.6512656418576, 135.1405709633 34.6512299101455, 135.140409039875 34.651125058846, 135.140378845619 34.6511049755273, 135.140145560627 34.6509532687786, 135.140566561517 34.6504952268233, 135.140903895592 34.6501278872096, 135.141354102317 34.6504314060077, 135.141845283457 34.6507414121444, 135.141669734382 34.6509183678736)) ^^http://www.opengis.net/ont/geosparql#wktLiteral