メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.776593106386 35.6914466731539, 139.776613576298 35.6914547816692, 139.777534587961 35.6918455492871, 139.777567124116 35.6918593662259, 139.778403045799 35.6922120621203, 139.778699993028 35.6923275796347, 139.778765030129 35.692352890011, 139.779547950609 35.6929091355384, 139.77977150711 35.6930648272869, 139.779786877602 35.6930755379124, 139.77995238353 35.6931907832635, 139.779788125087 35.6933604905656, 139.77925858632 35.6938600536088, 139.779111283118 35.6937480559932, 139.778825838235 35.6935348014563, 139.778119750915 35.6930092207091, 139.778088682976 35.6930017060787, 139.777177243453 35.6926163333151, 139.777154800891 35.6926129074897, 139.776281188027 35.6922503969815, 139.7762585847 35.6922447526402, 139.774920861925 35.6917057152938, 139.775014841264 35.6914890449643, 139.775017873856 35.6914820401004, 139.775132615611 35.6911861575644, 139.775215482229 35.6909723345082, 139.776593106386 35.6914466731539)) ^^http://www.opengis.net/ont/geosparql#wktLiteral