A New Method for Information System Selection

A good information system (IS) makes it possible to improve organizational efficiency and effectiveness, which can provide competitive advantage. Now the most of company through the purchase of existing information systems to complete the construction of enterprise information, it can save a lot of money. So the information system evaluation is an important task to the company. In this paper, an information system performance evaluation model is constructed with BSC (balance score card) which is applied to define the hierarchy with four major perspectives. In addition, this paper extends information performance evaluation base on TOPSIS and vague, where the characteristics of the alternatives are represented by vague sets. At last we give the example that suggests that the model be a good tool for solving the information system performance evaluation.