Forthcoming articles


International Journal of Artificial Intelligence and Soft Computing


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International Journal of Artificial Intelligence and Soft Computing (2 papers in press)


Regular Issues


  • Fuzzy production-inventory models with shortages via ranking technique and credibility measure   Order a copy of this article
    by Arindam Roy 
    Abstract: In this paper, a production-inventory model for a defective / deteriorating item is developed with imprecise inventory cost parameters. Here we have used two defuzzification techniques, (i) valuation/weighting function of Yager's ranking method, (ii) credibility measure, a compromise between optimistic and pessimistic measures for the deterministic transformation of the proposed model. A weighting function is added to Yager's ranking method so that it can represent the decision preference to solve a production inventory model. The proposed fuzzy inventory models are reduced to the crisp ones applying credibility measure. The problems are formulated as cost minimization problems and solved using a gradient-based non-linear programming technique. Finally, the models are illustrated through a numerical experiment with triangular fuzzy cost parameters. The results from two methods are compared and sensitivity analysis for different values of cost parameters and confidence levels (in credibility measure) is presented.
    Keywords: Decision preferencernparameter; Weighting function; Credibility measure.

Special Issue on: ICETMST 2018 Mathematical Modelling and Computation

  • Homomorphic Images and Shuffle Product on Probabilistic Automata   Order a copy of this article
    by AROCKIA JEYAKUMAR J, Rajaretnam T 
    Abstract: A probabilistic automaton (pa) is a fuzzy automaton, in which,sum of all fuzzy memberships of the initial states is one and from each state, on an input symbol, the sum of the fuzzy memberships of the transitions is one. In pa, it is shown that, if a morphism h is from a set to another set and inverse image of empty string maps to the empty string, then the image of a recognizable subset maps to a recognizable subset and if the maorphism h is fine, then the inverse image of recognizable subset is recognizable. It is also proved that the shuffle product of any two recognizable sets is recognizable.
    Keywords: probabilistic automaton; probabilistic behavior; fine morphism and shuffle product.