メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.018707854097 36.7609297640672, 137.017578423395 36.761016180771, 137.016542327968 36.7610953789935, 137.01596465307 36.7611395834508, 137.015408571297 36.7611820510541, 137.014759632082 36.7612317231784, 137.014159758291 36.7602942843269, 137.014064120932 36.760144829095, 137.014136205538 36.7601323181145, 137.014596948044 36.7600874842625, 137.014684747836 36.7600598532912, 137.015608412503 36.7596588422473, 137.016479582386 36.759298948894, 137.017371056267 36.758927526282, 137.018707854097 36.7609297640672)) ^^http://www.opengis.net/ont/geosparql#wktLiteral