メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.591472321912 34.789716553864, 134.591501029079 34.790204999947, 134.591545170615 34.7907641248256, 134.591563800788 34.7909656578181, 134.591478336236 34.7910397939622, 134.591534627887 34.7914963463407, 134.591042548392 34.7914972642005, 134.590121795075 34.7914000730933, 134.589535384176 34.791451755396, 134.589480936352 34.7913527054361, 134.589244421463 34.7913977226202, 134.589229286839 34.791032219973, 134.589503986944 34.7910233231262, 134.589473445642 34.7895381476025, 134.589462474453 34.7890048699236, 134.589553736748 34.7883746024065, 134.58965440569 34.7876874064974, 134.590497446761 34.7878971710969, 134.591544028234 34.7881402990553, 134.591478078346 34.7885923253395, 134.591448114332 34.7893043039622, 134.591472321912 34.789716553864)) ^^http://www.opengis.net/ont/geosparql#wktLiteral