メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.224700976192 35.2399580853468, 136.223190813538 35.2407769619633, 136.223020563232 35.2405725498847, 136.223471465566 35.2403529995282, 136.223399830667 35.2402670015517, 136.222967819712 35.2404813064267, 136.222626422997 35.2400410733282, 136.222518959315 35.2399121113345, 136.223405912579 35.2394050099874, 136.22366778103 35.2393311543972, 136.223903930773 35.2391996676889, 136.224991635443 35.238610567964, 136.225122506375 35.2387758240814, 136.225343662824 35.2390275351156, 136.225558662987 35.2393029202448, 136.225656074183 35.2394585883379, 136.224700976192 35.2399580853468)) ^^http://www.opengis.net/ont/geosparql#wktLiteral