Lecture Notes in Computer Science;LNCS, volume 10350
This papers deals with the the Stochastic Non-linear Fractional Equality Knapsack (NFEK) problem which is a fundamental resource allocation problem based on incomplete and noisy information [2,3]. The NFEK problem arises in many applications such as in web polling under polling constraints, and in constrained estimation. The primary contribution of this paper is a continuous Learning Automata (LA)-based, optimal, efﬁcient and yet simple solution to the NFEK problem.Our solution reckoned as the Two-Timescale based Learning Automata (T-TLA) solves the NFEK problem by performing updates on two different timescales.To the best of our knowledge, this is the ﬁrst tentative in the literature to design an LA that operates with two-timescale updates. Furthermore, theT-TLA solution is distinct from the ﬁrst-reported optimal solution to the problem due to Granmo and Oommen[2,3]which resorts to utilizing multiple two action discretized LA, organized in a hierarchical manner, so as to be able to tackle the case of multi-materials. Hence, the T-TLA scheme mitigates the complexity of the state-of-the-art solution that involves partitioning the material set into two subsets of equal size at each level. We report some representative experimental results that illustrate the convergence of our scheme and its superiority to the state-of-the-art [2,3].
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