メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.80085869575 35.3092569004222, 136.801053051925 35.3098842593712, 136.800499496133 35.309901948735, 136.799962192913 35.3099255306402, 136.799924892503 35.3099290095666, 136.799465503074 35.3099446562042, 136.798945797113 35.3099520894134, 136.79892573595 35.3099523798946, 136.798143247711 35.3099657700146, 136.798147472033 35.3092765462417, 136.798135166851 35.3085953000385, 136.799008894915 35.3085970469331, 136.799493432922 35.3086039438364, 136.79997802759 35.3085982325598, 136.800118358742 35.3085986585145, 136.800650061136 35.308595763824, 136.80085869575 35.3092569004222)) ^^http://www.opengis.net/ont/geosparql#wktLiteral