“…This explains the increasing interest in automatically revising incorrect and incomplete domain theories. Some of the propositional systems are described in (Ginsberg, 1989;Ourston and Mooney, 1990;Craw and Sleeman, 1990;Cain, 1991;Towell, Shavlik, and Noordewier, 1991;Wilkins, 1991), and some of the In'st order revision systems are found in (Shapiro, 1983;Sammut and Banerji, 1986;Pazzani, 1988;Muggleton and Buntine, 1988;Bergadano and Giordana, 1989;Duval, 1991;Wogulis, 1991;Richards and Mooney, 1991;Rouveirol, 1992;DeRaedt, 1992;N~dellec, 1992;N6dellec and Causse, 1992;Esposito et al, 1993;Morik et al, 1993;Feldman and N6dellec, 1994).…”