メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.862109168779 38.9182712054903, 139.862456693069 38.9182208193458, 139.862574767083 38.9186998899819, 139.861026540821 38.9189223509062, 139.859944301862 38.9190679537007, 139.859288726569 38.9191668565343, 139.858403144531 38.9192793152989, 139.858272071044 38.9182768588785, 139.858185360724 38.9169883287948, 139.858142683445 38.9162681300452, 139.858550718873 38.9161400712302, 139.858977730572 38.916093317967, 139.859504908796 38.9160008763495, 139.860369433668 38.9161740419744, 139.860411324845 38.916391934185, 139.860559506896 38.9169740827433, 139.861094750687 38.9168850084044, 139.862073187031 38.9167384604735, 139.862124866694 38.9169127283913, 139.862167731065 38.9171588502081, 139.861826273515 38.9172140011458, 139.862109168779 38.9182712054903)) ^^http://www.opengis.net/ont/geosparql#wktLiteral