メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.089262288743 36.7053269601463, 137.088485583646 36.7056148411075, 137.087935811155 36.7058849816347, 137.087638031549 36.7055552209031, 137.087464709209 36.7053544524647, 137.087202435246 36.7051142668691, 137.086860120853 36.7048381948841, 137.086271028306 36.7044024875023, 137.086426886102 36.7042771996301, 137.088108725619 36.7042783032833, 137.089650430627 36.7042703525056, 137.090024165433 36.704277770368, 137.090157219074 36.7047149314353, 137.089124666813 36.7050151867534, 137.089262288743 36.7053269601463)) ^^http://www.opengis.net/ont/geosparql#wktLiteral