メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.677292619796 35.3670809430045, 136.677899249683 35.3672984534574, 136.677924300852 35.3677364467191, 136.677932788335 35.3678848562863, 136.67795347824 35.3681338131579, 136.677990228437 35.3685753999371, 136.677981019471 35.368576346036, 136.677943598735 35.3685770957211, 136.677910579803 35.3685778632435, 136.676067926262 35.3686533067382, 136.676041902615 35.3682199437467, 136.676017530507 35.3678140983587, 136.675994872051 35.3674367795047, 136.675972902841 35.3670709527572, 136.675969827184 35.3670268587852, 136.675971811277 35.3670266811711, 136.676862961563 35.3669561498843, 136.676912290783 35.3669592374895, 136.676948751173 35.366965089697, 136.67698624182 35.3669710875992, 136.677292619796 35.3670809430045)) ^^http://www.opengis.net/ont/geosparql#wktLiteral