メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.0941595788 35.1398783005827, 136.094062901543 35.1400109897175, 136.093935989408 35.1399543289359, 136.093862734052 35.1400654490833, 136.093788264176 35.1400310002558, 136.093853988164 35.1399308721608, 136.093696979105 35.1398625433785, 136.093792611213 35.1397254887063, 136.093867571325 35.1397571913425, 136.093906575582 35.1396827200897, 136.094004047845 35.1395541924447, 136.094004974873 35.1395548741, 136.094187240227 35.1396349569811, 136.094303461009 35.1396869890641, 136.0941595788 35.1398783005827)) ^^http://www.opengis.net/ont/geosparql#wktLiteral