Title :
Automatic belief revision in a plausibility-driven design environment
Author :
Patel, Sukesh ; Dasgupta, Subrata
Author_Institution :
Center for Adv. Comput. Studies, Southwestern Louisiana Univ., Lafayette, LA, USA
Abstract :
Truth maintenance systems (TMSs) offer the most elaborate approach to the belief revision problem and are thus ideal candidates for automating belief revision during the course of plausibility-driven design evolution. However, the theory of plausible design (TPD) necessitates multivalued belief propagation while conventional TMSs are two-valued (IN/OUT) systems. Due to this mismatch, the encoding of constraint dependency graphs (CDGs) in conventional TMSs requires an exponential number of justifications. A belief revision system for TPD called the theory of plausible design belief revision system (TPD-BRS) is proposed. TPD-BRS uses a modified version of the assumption-based TMS label propagation algorithm in conjunction with a label interpreter to support automated belief revision in TPD efficiently
Keywords :
formal specification; knowledge based systems; many-valued logics; software tools; assumption-based label propagation algorithm; automatic belief revision; constraint dependency graph encoding; label interpreter; multivalued belief propagation; plausibility-driven design environment; truth maintenance systems; Artificial intelligence; Costs; Design methodology; Encoding; History; Process design; Proposals; Testing;
Journal_Title :
Systems, Man and Cybernetics, IEEE Transactions on