Applying Fuzzy PROMETHEE Method for Evaluating IS Outsourcing Suppliers

The demand for outsourcing in the information systems (IS) field has become a part of basic corporate strategy and has experienced a considerable growth in recent years. The process of IS outsourcing is always involved in a variety of situations and decision problems under fuzzy environment. The selection of appropriate outsourcing partners thus is one of the most important decision issues for organizations. The aim of this paper is to present the fuzzy preference ranking organization method for Enrichment Evaluation (fuzzy PROMETHEE) method to evaluate four potential suppliers based on seven criteria and four decision makers by using a realistic case study. The results of the rankings provide the reference to assist decision makers or organizations to improve the efficiency of their IS outsourcing decision processes come up with the best solutions.