メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.861695145973 35.1169804209847, 136.861676014581 35.1175507324957, 136.86165740528 35.1181412534536, 136.861646699589 35.1187099665936, 136.861636747819 35.1192719208438, 136.860725830408 35.1192533174029, 136.860555898975 35.1192498531, 136.859613252184 35.1192356663826, 136.859625228733 35.1186805521309, 136.859629718834 35.1180934493211, 136.859636707338 35.1175088188216, 136.859648404873 35.1169312404041, 136.859649259628 35.1167127471135, 136.859650941864 35.1163619483682, 136.86169964326 35.1163933139564, 136.861695145973 35.1169804209847)) ^^http://www.opengis.net/ont/geosparql#wktLiteral