メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.856567705281 35.2404488590535, 136.856575802491 35.2413510767807, 136.856565306785 35.2418376069821, 136.856552197683 35.2420008145487, 136.856194753739 35.24197595086, 136.856173936827 35.2419309667421, 136.855507168495 35.2419303742351, 136.855507728691 35.2417834014496, 136.854890115171 35.2417403266749, 136.854859616537 35.2416460202888, 136.854216185657 35.2416542843155, 136.854197298452 35.2414588799569, 136.853772684776 35.2414799625654, 136.853024061016 35.2415162563383, 136.852372509548 35.2415216021737, 136.852427930608 35.2398748192574, 136.855201883676 35.2399394141131, 136.856583933626 35.2399669912243, 136.85657959988 35.2403510708729, 136.856567705281 35.2404488590535)) ^^http://www.opengis.net/ont/geosparql#wktLiteral