メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.490621124322 40.5763821582082, 140.490162215652 40.5767132024263, 140.489687343795 40.5770522895161, 140.489473808108 40.5772259682064, 140.489367006574 40.5773148282302, 140.488987920141 40.5776339350701, 140.488383507423 40.5783415402971, 140.487735332265 40.5782544525774, 140.486943600935 40.578170975482, 140.486965625694 40.5780251111436, 140.487003694564 40.5778590328483, 140.487079849977 40.5775268429351, 140.487156035237 40.5771825209757, 140.487248162098 40.5768422564262, 140.487329716486 40.5764898593177, 140.487400509988 40.5761617027738, 140.487478979783 40.5758301577287, 140.487482021685 40.5758173620741, 140.487596033589 40.5753515354289, 140.488366367233 40.5754552052446, 140.488685128399 40.5755007690103, 140.488956023693 40.5755461542321, 140.489380859548 40.5756406542981, 140.489768093255 40.5758080383465, 140.49006505308 40.5759588991101, 140.490292794147 40.5761258048813, 140.490621124322 40.5763821582082)) ^^http://www.opengis.net/ont/geosparql#wktLiteral