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Advances in Computer Science and Engineering

Advances in Computer Science and Engineering
Volume 3, Issue 1, Pages 47 - 63 (March 2009)

RANK-ORDER WEIGHTING AS A SURROGATE FOR DIRECT WEIGHTING
Mehri Saeid (Malaysia), Abdul Azim Abd Ghani (Malaysia) and Mohd. Hasan Selamat (Malaysia)

Abstract:
This article is concerned with procedures for finding a surrogate for direct weighting method. In this paper, it is tried to determine that among famous rank-order weighting methods, which one can be a surrogate for direct weighting method. Using surrogate weights based on ranking has been proposed as a method for avoiding complexity of weight elicitation. A simulation was conducted to compare using different rank-order weighting methods with the TRUE weights (simulated decision makers’ judgments with prior ranking). Two kinds of comparison were done; comparison on weights and comparison on decision scores. From the results, using Rank-Sum (RS) is suggested as a good surrogate for decision makers’ weights for the attributes when using direct weighting method to weight the attributes.

Keywords and phrases: multiattribute decision, attribute weighting, surrogate weight.

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