“…policy learning) algorithms have the potential to greatly reduce this cost, by automatically producing a draft high-level policy from existing lower-level data, such as access control lists or access logs. There is a substantial amount of research on role mining [21,10] and a small but growing literature on ABAC policy mining [25,24,20,22,10,9,14,17,8,19], and ReBAC policy mining [4,5,6,3,15,2,16].…”