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Towards an Ant Colony Optimization Algorithm for the Two-stage Knapsack Problem
Linköping University, Department of Computer and Information Science, TCSLAB - Theoretical Computer Science Laboratory. Linköping University, The Institute of Technology.
2011 (English)In: Proceedings of the 7th ALIO/EURO Workshop on Applied Combinatorial Optimization / [ed] Ana Viana, A. Miguel Gomes, Joao Pedro Pedroso, Maria Teresa Costa, 2011, 27-27 p.Conference paper, Published paper (Refereed)
Abstract [en]

We propose an Ant-Colony-Optimization algorithm for the Two-Stage Knapsack problem (TSKP) with discretely distributed weights. Three heuristic utility measures are proposed and compared. We argue why for the proposed measures it is more efficient to place pheromone on arcs instead of vertices or edges of the complete search graph. Numerical tests show that the algorithm is able to find near optimal or even optimal solutions after a relatively small number of generated solutions.

Place, publisher, year, edition, pages
2011. 27-27 p.
Keyword [en]
Two-stage model, Knapsack problem, Ant-Colony optimization, Meta-heuristic, Utility ratio
National Category
Computer Science
Identifiers
URN: urn:nbn:se:liu:diva-74519OAI: oai:DiVA.org:liu-74519DiVA: diva2:486472
Conference
7th ALIO/EURO Workshop on Applied Combinatorial Optimization
Available from: 2012-01-30 Created: 2012-01-30 Last updated: 2012-02-07

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Kosuch, Stefanie

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