メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.977960976263 34.6748886414234, 137.978305413633 34.674835826237, 137.979708437101 34.6746264402212, 137.980118820858 34.6764865332273, 137.980249261486 34.677077990088, 137.980255685527 34.677107456629, 137.980260491127 34.6771294510067, 137.979060727244 34.6773167508006, 137.979307150507 34.6784518531419, 137.979379891295 34.6787886731869, 137.979163862787 34.6788211368826, 137.979131017715 34.6786818289356, 137.978388338066 34.6788066975554, 137.978322511879 34.6785503357813, 137.978076180989 34.6785887234072, 137.977815765503 34.6774375017925, 137.977330243836 34.6753440342206, 137.97724991496 34.674997666276, 137.977960976263 34.6748886414234)) ^^http://www.opengis.net/ont/geosparql#wktLiteral