メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.362886047972 43.0635652525551, 141.362699515828 43.0643415125015, 141.362653777441 43.0643337734092, 141.361547870939 43.0641709613819, 141.361450587026 43.0645576529879, 141.361213708654 43.0645280330174, 141.36117752937 43.0645226181142, 141.361451846687 43.0633745055966, 141.36154969799 43.0633867988248, 141.361745520938 43.0634162399528, 141.361920040983 43.0634397477408, 141.361978063904 43.0634469495887, 141.361996064712 43.063449199366, 141.362061938579 43.0634573767064, 141.36213019986 43.0634662756009, 141.362148677424 43.0634686694869, 141.362366865789 43.0634970866444, 141.362844506378 43.0635592339763, 141.362886047972 43.0635652525551)) ^^http://www.opengis.net/ont/geosparql#wktLiteral