メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.825953245521 34.679251818131, 135.82559202485 34.6792701792847, 135.825601062389 34.6790153734181, 135.82561880083 34.6785643587774, 135.826018680588 34.6785726760366, 135.826047283469 34.6788590885923, 135.826313657718 34.6788641154946, 135.826334041304 34.6789476770922, 135.826327531409 34.6790337328452, 135.8261552322 34.6790361645751, 135.826169023937 34.6792449418506, 135.825953245521 34.679251818131)) ^^http://www.opengis.net/ont/geosparql#wktLiteral