メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.359085654582 43.1155945072998, 141.35992117625 43.1157113452781, 141.359777617251 43.1162419505215, 141.359799847219 43.1162448661749, 141.359632409266 43.1168592529466, 141.359085563735 43.1167876965392, 141.358803072769 43.1167450607712, 141.358138707149 43.1166645279191, 141.357938781433 43.1166292934161, 141.358031468444 43.1161976595655, 141.358124048362 43.1158062497013, 141.35812946595 43.1157836466384, 141.358211306741 43.115463744078, 141.359085654582 43.1155945072998)) ^^http://www.opengis.net/ont/geosparql#wktLiteral