Joint performance of greedy heuristics for the integer knapsack problem

Joint performance of greedy heuristics for the integer knapsack problem

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Article ID: iaor1996280
Country: Netherlands
Volume: 56
Issue: 1
Start Page Number: 37
End Page Number: 48
Publication Date: Jan 1995
Journal: Discrete Applied Mathematics
Authors: ,
Keywords: optimization
Abstract:

This paper analzyes the worst-case performance of combinations of greedy heuristics for the integer knapsack problem. If the knapsack is large enough to accommodate at least m units of any item, then the joint performance of the total-value and density-ordered greedy heuristics is no smaller than (m+1)/(m+2). For combinations of greedy heuristics that do not involve both the density-ordered and total-value greedy heuristics, the worst-case performance of the combination is no better than the worst-case performance of the single best heuristic in the combination.

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