メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.779681447294 35.4517753173057, 136.779661158512 35.451581771109, 136.778862524226 35.4517068162943, 136.778802586747 35.451445609286, 136.778746443365 35.4512278640356, 136.779574258324 35.4511366082094, 136.779566371507 35.4510582045246, 136.780107034539 35.4509964478567, 136.780160095291 35.4513467512284, 136.779681447294 35.4517753173057)) ^^http://www.opengis.net/ont/geosparql#wktLiteral