メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.634278253849 34.9044061139107, 136.633803425403 34.9054699718782, 136.633562208955 34.9060443189398, 136.633550599487 34.9061464328913, 136.633559664062 34.9062518199704, 136.633565150702 34.9064252616655, 136.633563549745 34.9065226050543, 136.632640453558 34.9065752254201, 136.632537306882 34.9056656581007, 136.6324893357 34.9054202457345, 136.632402781949 34.9045110858909, 136.63230981202 34.903534697394, 136.633273685097 34.9035029984696, 136.634218674056 34.9034666005104, 136.63439661189 34.9034276412521, 136.63450997664 34.9036719378249, 136.634478803891 34.9039136064061, 136.634278253849 34.9044061139107)) ^^http://www.opengis.net/ont/geosparql#wktLiteral