メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.411278945504 34.7149269761254, 135.411283360307 34.7149353910489, 135.411297384961 34.7149645647337, 135.411500585606 34.7155856255705, 135.41144345418 34.7155996533274, 135.411591090107 34.7160399271305, 135.410603326373 34.7162671330096, 135.410389675548 34.7163129693167, 135.410313505864 34.7160824993312, 135.410232143654 34.715865598137, 135.410034477989 34.715312903619, 135.410027008686 34.7152920203417, 135.409945760251 34.715077370569, 135.410780204381 34.7146099600654, 135.4109840148 34.7143647600643, 135.411278945504 34.7149269761254)) ^^http://www.opengis.net/ont/geosparql#wktLiteral