メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.271189912651 36.7003987481156, 137.273546394767 36.7010046977137, 137.273199714601 36.701373373281, 137.272829120819 36.7021663389141, 137.272578811769 36.702822677248, 137.272117136261 36.7027276827652, 137.271173359223 36.7025542559879, 137.269802660907 36.702300502867, 137.269108248863 36.702268220141, 137.268805963967 36.7012464607467, 137.268577678896 36.7005565319776, 137.268361364938 36.699665794212, 137.269378223317 36.6999240899461, 137.271189912651 36.7003987481156)) ^^http://www.opengis.net/ont/geosparql#wktLiteral