メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.956716796677 35.2324622396763, 136.956534556752 35.2337711023193, 136.955064397267 35.2335721225685, 136.955190973658 35.2331211130787, 136.955331414433 35.2326850562103, 136.955469532459 35.232721416981, 136.955553550774 35.232445600265, 136.955688693317 35.2324709712667, 136.955776071916 35.232222059531, 136.955618015018 35.2321882695518, 136.95578778096 35.231654665801, 136.956189762174 35.2317171812369, 136.956155346521 35.2319310464694, 136.956541245279 35.2319900825842, 136.956564769386 35.2320623694197, 136.956906357133 35.2322379362949, 136.956716796677 35.2324622396763)) ^^http://www.opengis.net/ont/geosparql#wktLiteral