メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.694805463845 35.4402958305197, 136.694968826859 35.4410993246174, 136.695059373421 35.4416042349767, 136.694182895551 35.4416833380382, 136.694179852222 35.4418432130911, 136.693552585481 35.4418531135332, 136.693392772795 35.4411876911365, 136.693374837437 35.4410837874627, 136.693233263989 35.4402647457801, 136.693787338261 35.4399969995914, 136.694913800179 35.4393661507765, 136.694856033108 35.4395481725487, 136.694833594469 35.4397956439502, 136.694815367746 35.4400362678414, 136.694805463845 35.4402958305197)) ^^http://www.opengis.net/ont/geosparql#wktLiteral