メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.607179913866 43.2966868803497, 144.607041480989 43.2967222248763, 144.606784640347 43.2967878584859, 144.606627075037 43.296801515655, 144.606553956761 43.2968078749666, 144.606140754853 43.2968436092385, 144.606179342951 43.2967608865612, 144.606085151977 43.2967352614013, 144.606587853133 43.2961256011313, 144.606712644651 43.2959665584056, 144.606886443095 43.2957453233052, 144.606951650256 43.2956588163275, 144.607008803229 43.2955831654772, 144.607141835437 43.2954082700585, 144.607665103299 43.2965657624715, 144.607616178757 43.2965753508926, 144.607179913866 43.2966868803497)) ^^http://www.opengis.net/ont/geosparql#wktLiteral