关键词: 网络服务, 模糊层次分析法, 非功能性条件, 期望值距离<

Abstract: In order to select the optimum one from those function-satisfied web services, a non-functional conditions-based method was proposed based on Fuzzy Analytic Hierarchy Process (FAHP). FAHP was employed to define computer non-functional conditions weight factor, and it determined the conditions weight number based on the expectation distance and hereby constructed the goal function. With this method, dimensionless functions and correction formula were constructed to eliminate and correct the errors arising from the dimensions differences and the expectation distance scales inconsistency which enabled comparisons among distinct non-functional conditions. Subsequently, a web services selection process was built according to the proposed method. Finally, an example was presented to demonstrate correctness and feasibility of the proposed method.

Key words: web services selection, fuzzy analytic hierarchy process, non-functional conditions, expectation distance