メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.780440047805 35.4160127523067, 136.780498252247 35.4162453574984, 136.779065023706 35.4163052268527, 136.777373684113 35.4163639008087, 136.776672459233 35.4163907695553, 136.776656931976 35.4161405191744, 136.77664958398 35.4159245543211, 136.779356678365 35.41583036687, 136.779357595682 35.4156384418919, 136.780164077556 35.4156083004552, 136.780219196989 35.4158383252681, 136.780360054893 35.4157672621146, 136.780440047805 35.4160127523067)) ^^http://www.opengis.net/ont/geosparql#wktLiteral