An apprenticeship learning hyper-heuristic for vehicle routing in HyFlex

Asta, Shahriar and Özcan, Ender (2014) An apprenticeship learning hyper-heuristic for vehicle routing in HyFlex. In: 2014 IEEE Symposium on Evolving and Autonomous Learning Systems (EALS), 9-12 Dec 2014, Orlando, Florida.

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Apprenticeship learning occurs via observations while an expert is in action. A hyper-heuristic is a search method or a learning mechanism that controls a set of low level heuristics or combines different heuristic components to generate heuristics for solving a given computationally hard problem. In this study, we investigate into a novel apprenticeship learning-based approach which is used to automatically generate a hyper-heuristic for vehicle routing. This approach itself can be considered as a hyper-heuristic which operates in a train and test fashion. A state-of-the-art hyper-heuristic is chosen as an expert which is the winner of a previous hyper-heuristic competition. Trained on small vehicle routing instances, the learning approach yields various classifiers, each capturing different actions that the expert hyper-heuristic performs during the search process. Those classifiers are then used to produce a hyper-heuristic which is potentially capable of generalizing the actions of the expert hyperheuristic while solving the unseen instances. The experimental results on vehicle routing using the Hyper-heuristic Flexible (HyFlex) framework shows that the apprenticeship-learning based hyper-heuristic delivers an outstanding performance when compared to the expert and some other previously proposed hyper-heuristics.

Item Type: Conference or Workshop Item (Paper)
Schools/Departments: University of Nottingham UK Campus > Faculty of Science > School of Computer Science
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Depositing User: Ozcan, Dr Ender
Date Deposited: 27 Jun 2016 08:08
Last Modified: 14 Sep 2016 15:07

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