メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.447698119303 39.3687941376793, 140.448819149394 39.3683754538188, 140.44867910848 39.3670735374641, 140.449445322519 39.3669248323083, 140.450491489081 39.3667227840679, 140.451648607537 39.3664183425364, 140.451766535889 39.3663845268595, 140.451734267566 39.3682594300288, 140.45148781085 39.3689150821132, 140.450941294685 39.3706085647725, 140.450319504303 39.3712572149738, 140.449935203946 39.3715413238575, 140.449344530153 39.371881895853, 140.448916991392 39.3720060355483, 140.448608138292 39.3719479411103, 140.448529540099 39.371525285285, 140.448207225842 39.3712445468943, 140.447928783475 39.3710153259594, 140.447790318187 39.3707636963371, 140.447739983915 39.3705523319093, 140.447852376121 39.3701873831114, 140.448031229301 39.3697883810915, 140.447959370693 39.3694684961409, 140.44779945971 39.369102718519, 140.447698119303 39.3687941376793)) ^^http://www.opengis.net/ont/geosparql#wktLiteral