メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.749428485997 35.4130890133136, 136.749782809066 35.41314536978, 136.750189866427 35.4132091243296, 136.750468039449 35.4132532101826, 136.750376441994 35.4134015553725, 136.750206582242 35.4133793884373, 136.750182243613 35.4135543350658, 136.749786432759 35.4135865329562, 136.749623113007 35.41343013077, 136.749596630867 35.4134444412673, 136.749547135557 35.4133843083929, 136.74939213359 35.4134753224673, 136.749392487443 35.4134065578538, 136.749308454468 35.4133967621746, 136.749262335577 35.413349176345, 136.749090880514 35.4134363305526, 136.749079481936 35.4134030878988, 136.748978085717 35.4133909085076, 136.749031232603 35.4132013774347, 136.749145565416 35.4129480448039, 136.749432481577 35.4129561429246, 136.749428485997 35.4130890133136)) ^^http://www.opengis.net/ont/geosparql#wktLiteral