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. Keywords Commercial of the shelf (COTS), Vise Kriterijumska Optimizacija I Kompromisno Resenje (VIKOR), Analytical Hierarchy Process (AHP), Usability, Multiple Criteria Decision Making (MCDM), Normalizing weight, Database, Reuse
Highlights
Decision-making processes involve a series of steps: identifying the problems, constructing the preferences, evaluating the alternatives, and determining the best alternatives [1]
In order to deal with multiple criteria decision-making (MCDM) problems, the first step is to figure out how many attributes or criteria exist in the problem and how to grasp the way of the problems
The framework is tested with Integrated Analytical Hierarchy Process (AHP)-VIKOR, and AHP-TOPSIS Methodologies to evaluate and select the favorable commercial off the shelf (COTS) database product among Ingres, Oracle 9i, SQL Server 2005 and Microsoft Access
Summary
Decision-making processes involve a series of steps: identifying the problems, constructing the preferences, evaluating the alternatives, and determining the best alternatives [1]. To facilitate systematic research in the field of multiple attribute decision-making, Hwang and Yoon[3] suggested that such problems can be classified into two main categories: multiple attribute decision-making (MADM) and multiple objective decision-making (MODM), based on the different purposes and different data types. The former is applied in the evaluation facet, which is usually associated with a limited number of predetermined alternatives and discrete preference ratings.
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