メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.338399131731 42.9829566618972, 141.338509643797 42.982952337469, 141.340145787961 42.9828720921171, 141.339642201341 42.9833023797519, 141.33916860891 42.9836924626712, 141.338026992338 42.9846511188176, 141.337264851821 42.9852744295575, 141.336415342064 42.9859745433688, 141.336263009954 42.9859756475427, 141.336282276481 42.9858712198282, 141.336370980073 42.9857029955309, 141.336423134743 42.9856223212063, 141.336545833641 42.9854807405173, 141.336614825832 42.9853691840537, 141.336622246995 42.9853466673987, 141.336618269738 42.9853240607072, 141.336609257313 42.9853051398792, 141.336493016159 42.9851718504537, 141.336377067536 42.9850317431446, 141.336052679241 42.9845540735083, 141.335849317186 42.9843916048606, 141.335353328491 42.9842665354255, 141.335365201141 42.9842280889191, 141.335444662656 42.9839722296215, 141.335517160048 42.9836366311513, 141.335586263073 42.9833167585366, 141.335950131609 42.9830993903214, 141.336633006387 42.9830360560343, 141.336837140362 42.9830359260695, 141.33718211615 42.9830078017147, 141.33731664378 42.9830053578197, 141.338399131731 42.9829566618972)) ^^http://www.opengis.net/ont/geosparql#wktLiteral