メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.619561696321 42.6303428716571, 141.620597908695 42.6304223031203, 141.620450083489 42.6313970472617, 141.620400808557 42.6318567728332, 141.620343681316 42.6322265646537, 141.620269421795 42.6329243095533, 141.620188560142 42.633596697068, 141.62012913858 42.6342632941349, 141.620077400367 42.6342459876851, 141.620025405936 42.6342305083053, 141.619096334222 42.6339261697258, 141.618234543804 42.6338775153729, 141.617540951073 42.6338216276524, 141.615660706437 42.6336709470356, 141.614183780419 42.6335566661264, 141.614204236492 42.633386425356, 141.614258206762 42.6331242313519, 141.61428155938 42.632912789871, 141.614285491074 42.6328867866662, 141.614345721822 42.6324871906457, 141.614346080287 42.632484800533, 141.614401677177 42.6320632337768, 141.614402740272 42.6320569087556, 141.614480817818 42.6315883416109, 141.614544053848 42.6310712995524, 141.614556588399 42.6309630519147, 141.614594873013 42.6306369047101, 141.614684488207 42.6299987501562, 141.614823927635 42.6300085293697, 141.616112615865 42.6300943307147, 141.617651964377 42.6302071075158, 141.619168175721 42.6303100301951, 141.619561696321 42.6303428716571)) ^^http://www.opengis.net/ont/geosparql#wktLiteral