メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.73399880402 35.2245719585446, 136.73383274006 35.2241500008853, 136.73379222143 35.2240385105948, 136.733751862929 35.2238806085889, 136.733766548558 35.2237003621493, 136.733836635782 35.2234301607307, 136.733864932939 35.2232724991169, 136.733893707043 35.2230246901734, 136.733870328679 35.2229584759657, 136.734842554837 35.2227621584778, 136.734914565881 35.2229478543104, 136.735210529301 35.2237430643004, 136.735376402713 35.224153549321, 136.73399880402 35.2245719585446)) ^^http://www.opengis.net/ont/geosparql#wktLiteral