メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.316766447424 35.5167307316555, 140.316448033624 35.518178349378, 140.316407611855 35.5183844425421, 140.316392531564 35.518461345427, 140.316287105701 35.5189535527035, 140.316000156675 35.5202793210563, 140.315228362263 35.5201011440446, 140.314092625759 35.5198425833856, 140.313901210572 35.5186364005846, 140.313873337008 35.5184609847216, 140.313838559355 35.5181570508035, 140.313776172823 35.5176118108756, 140.313744453526 35.5174410965561, 140.316595559596 35.5167172967956, 140.316766447424 35.5167307316555)) ^^http://www.opengis.net/ont/geosparql#wktLiteral