メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.879911450727 38.9569174475519, 139.879595570469 38.9568870685466, 139.877455784475 38.9566559782493, 139.877758520232 38.9548330010363, 139.876027425143 38.9546312683077, 139.874353228186 38.9544485560495, 139.873275045152 38.9543357510099, 139.872263277196 38.9542308712339, 139.872406605635 38.953301659731, 139.872594481057 38.9522502834192, 139.872732190515 38.9513894270235, 139.876636304692 38.9517934880866, 139.876725923653 38.9509196354278, 139.877212058614 38.9509680948254, 139.877723487332 38.9510190112425, 139.878668308413 38.9511131622062, 139.878599849461 38.9519969716139, 139.880661265912 38.9522356351984, 139.880482402468 38.9534367225447, 139.880383918498 38.9539928879343, 139.879911450727 38.9569174475519)) ^^http://www.opengis.net/ont/geosparql#wktLiteral