メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.780576658927 35.0624904249899, 136.77780951342 35.0623599459904, 136.775564254354 35.0622450332449, 136.775719026532 35.0600428521202, 136.776053753932 35.0602486582668, 136.776312910026 35.0603973874501, 136.776433487553 35.0604553837373, 136.7766168399 35.0605235124872, 136.776913715821 35.0606198241067, 136.777847651165 35.0609346700888, 136.778023848626 35.0609948147684, 136.779309192909 35.0616363506123, 136.779699801533 35.0618382397547, 136.779993933514 35.0620019312064, 136.78022048724 35.0621476587365, 136.780319233556 35.0622233988701, 136.780401063369 35.0622992255692, 136.780487677913 35.062386828507, 136.780576658927 35.0624904249899)) ^^http://www.opengis.net/ont/geosparql#wktLiteral