メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.498961920996 43.0240055506452, 141.499333751042 43.0245250687761, 141.499338325186 43.0245312177514, 141.498800711455 43.0247511237933, 141.498330748495 43.0249610640526, 141.498256206627 43.024985610727, 141.497815859815 43.0251679624992, 141.49642306466 43.0257573662319, 141.496112582582 43.025353237455, 141.495791892637 43.0249534717414, 141.494857166716 43.0237343759631, 141.494453652396 43.0231995866092, 141.49564864878 43.0232997495743, 141.495859115725 43.0231063914056, 141.495945803542 43.0230604037199, 141.496580455704 43.0228450162367, 141.496664081635 43.0228416995998, 141.497013624172 43.0230960710022, 141.497261775415 43.0231603723882, 141.497666518022 43.0231452454405, 141.497969071592 43.023126702043, 141.498056350221 43.0231068098879, 141.498182029912 43.02308217777, 141.498370207065 43.0230377717701, 141.498529554948 43.023007312168, 141.498961920996 43.0240055506452)) ^^http://www.opengis.net/ont/geosparql#wktLiteral