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Quantum based Whale Optimization Algorithm for wrapper feature selection
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DOI：10.1016/j.asoc.2020.106092.png)
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Abstract
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In this paper, we propose the Quantum Whale Optimization Algorithm (QWOA) for feature selection, which is an amalgamation of the Quantum Concepts and the Whale Optimization Algorithm (WOA). The proposed method enhances the exploratory and exploitation power of the classical WOA, with the use of quantum bit representation of the individuals of the population and the quantum rotation gate operator as a variation operator. Modified mutation and crossover operators are also introduced for quantum-based exploration, shrinking and spiral movement of the whales in the proposed QWOA. The efficacy of the proposed method is compared with that of the conventional WOA and with well-known evolutionary, swarm and quantum algorithms with fourteen datasets from diversified domains. Experimental results demonstrate the superior performance of the proposed QWOA method. Statistical tests also demonstrate the significantly better performance of the QWOA in comparison to eight well-known meta-heuristic algorithms. (C) 2020 Elsevier B.V. All rights reserved.
Keywords:
Quantum
Whale Optimization Algorithm
Bio-inspired technique
Evolutionary techniques
Swarm based techniques
Feature selection
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