Models for computer system evaluation and selection

Abstract Three main models for evaluating and selecting computer systems are presented and compared: (a) the additive-weight model, (b) the Eigenvector model, and (c) the multi-attribute utility model. A case study describes the application of these three models to the selection of a computer for an organization. In this study, the three models showed almost identical results in ranking the alternatives. Based on the data obtained from the case study and a comparison of the models' attributes, we recommend using the multi-attribute utility model in cases wherein the required assumptions of independence hold. To overcome the difficulties involved in understanding and applying the model, the development of an interactive decision-support system is recommended.

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