メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.070655575396 38.3916273662138, 141.070461580252 38.3915656817357, 141.069509087436 38.3911810614186, 141.069914968081 38.389133854427, 141.069812047901 38.3891230837267, 141.069881053444 38.3888716682386, 141.069963845543 38.3888874069664, 141.070140018299 38.3879987856813, 141.070553114829 38.388175035298, 141.070630362484 38.3884868257567, 141.071053135668 38.3900817396128, 141.071797125177 38.3905230862234, 141.071955369255 38.3907410997099, 141.071829220291 38.3908138534143, 141.071703790053 38.3908607037318, 141.071478354245 38.3909132472917, 141.071318319619 38.3909135743663, 141.071058259625 38.3909141054041, 141.070655575396 38.3916273662138)) ^^http://www.opengis.net/ont/geosparql#wktLiteral