メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.447006972651 34.7588631197931, 137.448441154366 34.7589209893976, 137.448425242875 34.7590787875709, 137.448395215497 34.7594836838449, 137.448386094765 34.7597124593513, 137.448370584287 34.7600011150946, 137.448298745292 34.7609912345643, 137.448292352056 34.7612570489875, 137.446758768101 34.7611864518346, 137.445953641239 34.7611575834983, 137.44595498961 34.7608926248866, 137.445966460388 34.7605487621353, 137.44597138194 34.7602932322275, 137.445982103526 34.7593791738477, 137.445987612642 34.758969402592, 137.445993632611 34.758824585777, 137.447006972651 34.7588631197931)) ^^http://www.opengis.net/ont/geosparql#wktLiteral