メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.874455391971 36.4802710822066, 139.87451975024 36.4806684528125, 139.87455236795 36.4808941030534, 139.874619650474 36.4812732675101, 139.874772888597 36.4820817960397, 139.874560019119 36.4820885951554, 139.874339175083 36.4821264101172, 139.873855011712 36.4822054708029, 139.87347277723 36.4822707656241, 139.873018327568 36.4823360815551, 139.872330297994 36.4824494916062, 139.871876372015 36.4825214577394, 139.871855429673 36.482213210837, 139.871839310065 36.4819346410782, 139.871802252782 36.4813606769346, 139.871757095104 36.4805636224369, 139.871699124453 36.4797175319807, 139.871637974735 36.4789178762008, 139.871586394296 36.4780588994016, 139.872644506852 36.4780264811993, 139.872797394637 36.4780229804375, 139.873077706314 36.4779954620265, 139.873510867668 36.4778958623146, 139.873990745049 36.4777790655396, 139.874172582327 36.4787781128459, 139.874455391971 36.4802710822066)) ^^http://www.opengis.net/ont/geosparql#wktLiteral