メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.055524498682 34.8628092065018, 137.05594410679 34.8626054871569, 137.056022920269 34.8627554312406, 137.056162162097 34.8629558567268, 137.056240064202 34.8630455128471, 137.05637622314 34.8632513586289, 137.056533382611 34.8634640556527, 137.0566554298 34.8635448069237, 137.056771474422 34.8636185796391, 137.056909296871 34.8635477119985, 137.057228991977 34.863974446187, 137.057182152554 34.8640170840388, 137.05660326179 34.8643051779551, 137.056496595577 34.8643582555772, 137.056184878921 34.8645134089631, 137.056017729041 34.8642790811568, 137.056074407155 34.864251101878, 137.055989997002 34.8641399591, 137.055927096933 34.8641718766803, 137.055789158161 34.8640106100648, 137.055799204115 34.8640056186754, 137.055401352366 34.8634944354044, 137.055064005458 34.8630342268805, 137.055524498682 34.8628092065018)) ^^http://www.opengis.net/ont/geosparql#wktLiteral