メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.629611205569 34.7993807539923, 134.6296057656 34.7998905311504, 134.629625732909 34.8008094388831, 134.628939558767 34.8008132257844, 134.628261083322 34.8008085386304, 134.62821643338 34.799389362853, 134.628244534365 34.797887889522, 134.628249330973 34.7967967924613, 134.62894475303 34.7967928473305, 134.629609795089 34.7967982685463, 134.629614413226 34.7976029782552, 134.629601437714 34.7978792329285, 134.629605604394 34.7988626920073, 134.629611205569 34.7993807539923)) ^^http://www.opengis.net/ont/geosparql#wktLiteral