メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.385905006718 38.3646438643057, 140.386801710894 38.3645978644998, 140.385824155821 38.3665378246252, 140.385751672188 38.3665413496745, 140.384601095164 38.3666072070515, 140.384479235455 38.3666150475343, 140.383015665189 38.3667099578943, 140.381702627825 38.3668152819863, 140.381687732352 38.3662100315735, 140.381675334756 38.3655550972466, 140.38166175229 38.3649109977531, 140.382979048739 38.3648268082181, 140.384468752184 38.3647501593295, 140.385905006718 38.3646438643057)) ^^http://www.opengis.net/ont/geosparql#wktLiteral