メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.377896365457 36.0432536664162, 139.377343611204 36.0447605532291, 139.375488807174 36.0451764252071, 139.375189908483 36.0442437568187, 139.375231811576 36.0438231434787, 139.375342181736 36.0428717706727, 139.375357434689 36.0425753521872, 139.37536950945 36.0420211142018, 139.375413613766 36.0420182635391, 139.375654428349 36.0420026995509, 139.376549185955 36.0419265964724, 139.377009244351 36.0418400680009, 139.378386938659 36.0415809487905, 139.378501230614 36.0415621473193, 139.377896365457 36.0432536664162)) ^^http://www.opengis.net/ont/geosparql#wktLiteral