Indian Journal of Science and Technology

Abstract

Objectives : This study aims at comparing two recent hybrid methodologies used to evaluate COTS database products based on reusability, including Analytic Hierarchy Process integrated with VIsekriterijumsko KOmpromisno Rangiranje (AHP-VIKOR), and Analytical Hierarchy Process integrated with Order Preference by Similarity to Ideal Solution (AHP-TOPSIS). Method: AHP is presented to determine the weight of each evaluation criterion. VIKOR and TOPSIS are used to acquire the final rank of software database alternatives. The evaluation process has been carried out using four database components, namely: Ingress, Oracle 9i, SQL Server 2005 and Microsoft Access. The focus is to compare the difference in the evaluation results between TOPSIS and VIKOR. Both methods are based on an aggregating function that represents closeness to the ideal solution. VIKOR is based on linear normalization whereas TOPSIS used vector normalization to eliminate the units of criterion functions. Findings: the solution obtained by TOPSIS method has the shortest distance from the ideal one and farthest from the negative ideal solution. VIKOR method helps to determine a compromise solution that gives a maximum group utility for the majority and minimum for opponents. The results show that the proposed multi-criterion decision-making approach can enhance objectivity the evaluation process of the given database alternatives. In addition, the comparison reveals the effectiveness, and weakness of each method.