メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.185839448378 34.2218802653691, 135.185778504771 34.2218867637748, 135.18519744902 34.22198108728, 135.185174248256 34.221845418471, 135.184249969595 34.2220087357115, 135.184206194085 34.2218965965875, 135.183893294169 34.2211059413493, 135.185442865287 34.2206634977378, 135.185451622217 34.220687502882, 135.185828753555 34.2204336296278, 135.185988991193 34.2203381997945, 135.186204526057 34.2206830644038, 135.186296552703 34.2208303186569, 135.186460263078 34.2212213255567, 135.186550574133 34.2215915603954, 135.186566580125 34.221841001113, 135.185839448378 34.2218802653691)) ^^http://www.opengis.net/ont/geosparql#wktLiteral