Title :
Causal maps: theory, implementation, and practical applications in multiagent environments
Author :
Chaib-Draa, Brahim
Author_Institution :
Comput. Sci. Dept., Laval Univ., Ste-Foy, Que., Canada
Abstract :
Analytical techniques are generally inadequate for dealing with causal interrelationships among a set of individual and social concepts. Usually, causal maps are used to cope with this type of interrelationships. However, the classical view of causal maps is based on an intuitive view with ad hoc rules and no precise semantics of the primitive concepts, nor a sound formal treatment of relations between concepts. We solve this problem by proposing a formal model for causal maps with a precise semantics based on relational algebra and the software tool, CM-RELVIEW, in which it has been implemented. Then, we investigate the issue of using this tool in multiagent environments by explaining through different examples how and why this tool is useful for the following aspects: 1) the reasoning on agents´ subjective views, 2) the qualitative distributed decision making, and 3) the organization of agents considered as a holistic approach. For each of these aspects, we focus on the computational mechanisms developed within CM-RELVIEW to support it.
Keywords :
cognitive systems; deductive databases; distributed decision making; inference mechanisms; multi-agent systems; relational algebra; software tools; CM-RELVIEW; ad hoc rules; causal interrelationships; causal maps; computational mechanisms; decision support; distributed decision making; formal model; holistic approach; knowledge base management; multi-agent systems; reasoning; relational algebra; social concepts; software tool; Algebra; Cognition; Computer science; Decision making; Distributed decision making; Knowledge management; Logic; Multiagent systems; Software tools; Taxonomy;
Journal_Title :
Knowledge and Data Engineering, IEEE Transactions on
DOI :
10.1109/TKDE.2002.1047761