メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.935281447243 37.5036164250476, 139.935411539298 37.5038741057621, 139.935009929945 37.5042776960308, 139.934375590618 37.5048952134689, 139.934271818783 37.504994142461, 139.933790384169 37.5051563355117, 139.933577271544 37.5046390988106, 139.93341099087 37.5042355851277, 139.933395489275 37.504198992824, 139.933235847384 37.5038105375132, 139.933036783705 37.5033275019638, 139.934863215854 37.5026890953035, 139.935066730375 37.5031403051915, 139.935281447243 37.5036164250476)) ^^http://www.opengis.net/ont/geosparql#wktLiteral