メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.932382175511 35.0875973243295, 136.932359697792 35.0876005911079, 136.932060305677 35.0875826867556, 136.931827987001 35.0875156127049, 136.931623880573 35.0874399297628, 136.931511339953 35.0873730872646, 136.931374164226 35.0872917588784, 136.93115614414 35.087152311353, 136.930976929944 35.0869927269736, 136.930859309902 35.0868741096867, 136.931421765597 35.0857946964735, 136.932803194498 35.0862861373138, 136.933042357495 35.0863712534268, 136.932382175511 35.0875973243295)) ^^http://www.opengis.net/ont/geosparql#wktLiteral