メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.685375063198 35.1360625516287, 136.682488295059 35.1350733747493, 136.680982354716 35.1344911570135, 136.680303724186 35.1342778756111, 136.680160049768 35.1320187298468, 136.680148421718 35.13189853999, 136.680103367135 35.131662438527, 136.680082445145 35.1315050977876, 136.680222664782 35.130689091704, 136.680889125944 35.1305726034984, 136.681678909148 35.1304035745423, 136.68205456601 35.1307612790436, 136.684069402511 35.1303478192549, 136.684786340751 35.1303770102961, 136.686380180475 35.1304830767312, 136.686593372686 35.1304972344623, 136.688556590483 35.1306108663734, 136.688547064799 35.1306272372945, 136.687123804949 35.1330656519223, 136.686357243961 35.1343788962957, 136.685700472786 35.1355039787838, 136.685375063198 35.1360625516287)) ^^http://www.opengis.net/ont/geosparql#wktLiteral