メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.829736479419 35.2353925328283, 136.829547493524 35.2353877128131, 136.829348832682 35.2353826547293, 136.827943697316 35.2352538866659, 136.826464476786 35.2352008119133, 136.826421570029 35.2340905188462, 136.827815119601 35.2341001158413, 136.828495464642 35.2341110243742, 136.828872710136 35.2341591864725, 136.829251076247 35.2342323517562, 136.829872144846 35.234323653627, 136.830060799019 35.2343663604166, 136.830197612167 35.2344085710032, 136.829736479419 35.2353925328283)) ^^http://www.opengis.net/ont/geosparql#wktLiteral