ModEnPBT: A Modified Backtracking Ensemble Pruning algorithm
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TL;DR
Experimental results on three benchmark classification tasks demonstrate the validity and effectiveness of the proposed ModEnPBT, which is based upon the design idea of Ensemble Pruning via Backtracking algorithm, and however, aiming at overcoming its drawback of redundant solution space definition.
Abstract
This paper proposes a new Modified Backtracking Ensemble Pruning algorithm (ModEnPBT), which is based upon the design idea of our previously proposed Ensemble Pruning via Backtracking algorithm (EnPBT), and however, aiming at overcoming its drawback of redundant solution space definition. Solution space of ModEnPBT is compact with no repeated solution vectors, therefore it possesses relatively higher searching efficiency compared with EnPBT algorithm. ModEnPBT still belongs to the category of Backtracking algorithm, which can systematically search for the solutions of a problem in a manner of depth-first, which is suitable for solving all those large-scale combinatorial optimization problems. Experimental results on three benchmark classification tasks demonstrate the validity and effectiveness of the proposed ModEnPBT.
