• Article  

      The computational value of joint consistency 

      Dimopoulos, Yannis (1994)
      In this paper we investigate the complexity of some recent reconstructions of Reiter's Default Logic using graph-theoretical structures. It turns out that requiring joint consistency of the justification of the applied ...
    • Article  

      On the semantics of abstract argumentation 

      Kakas, Antonis C.; Mancarella, P. (2013)
      Arguments need to be judged against other arguments. The decision to accept or reject an argument is generally a global decision that involves examining the same question for other arguments that oppose or can defend the ...
    • Article  

      Towards local search for answer sets 

      Dimopoulos, Yannis; Sideris, A. (2002)
      Answer set programming has emerged as a new important paradigm for declarative problem solving. It relies on algorithms that compute the stable models of a logic program, a problem that is, in the worst-case, intractable. ...