メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.908594904997 35.0984602682565, 136.908901713113 35.0983099997241, 136.908848013837 35.0984991919922, 136.909076080972 35.0985446117613, 136.908899904447 35.0990977195414, 136.908785366063 35.0994572841457, 136.908705767551 35.0994410570339, 136.908572349723 35.0994137276649, 136.908112654641 35.0993225966532, 136.90733043098 35.0991619640477, 136.907446422421 35.098792191674, 136.907568342252 35.0984306720868, 136.907641665671 35.0981879984606, 136.907894029793 35.0982382610849, 136.90787959703 35.0983112629166, 136.908594904997 35.0984602682565)) ^^http://www.opengis.net/ont/geosparql#wktLiteral