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Non-causal versus causal qualitative modelling and simulation

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8 Author(s)
L. Trave-Massuyes ; Lab. d'Autom. et d'Anal. des Syst., CNRS, Toulouse, France ; K. Bousson ; J. -M. Evrard ; F. Guerrin
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Qualitative models of dynamical systems fall into noncausal or causal approaches. The noncausal approach is widely used in part because traditional physics describes phenomena by means of symmetric functional relations. It supports the idea that causality can be ignored or inferred from the model itself. Nevertheless, when people explain how things work, they use causal relations. Representing causality explicitly makes it possible to take advantage of exogenous knowledge necessary for understanding the phenomena and supporting self-explanatory simulation. The basic concepts used in both approaches, in addition to the representation formalisms and algorithms, are discussed.<>

Published in:

Intelligent Systems Engineering  (Volume:2 ,  Issue: 3 )