Study On Validity Evaluation For Enterprise Information System

Entering 21st century, the human society is striding forward into the information times. Information becomes more and more important in society and economy life. As a carrier to transmit information, information system plays a decisive role. It has become one of the main factors to win in the future for the business to make good use of information system. Since the reform and opening policy, Chinese enterprises have developed for a long time, and built their own information systems in varying degree. However, how about is the application effectiveness of information system and how to evaluate it, has always been a hot topic of common concern in academe and business circles.In this paper, the literatures in the field of information system evaluation are elaborated, the deficiency about existing system evaluation and a number of issues on index system settings are analyzed. Drawing on existing research, this paper brings forward the concept of validity of the enterprise information system, and expounds the standards of measuring validity based on three deminsions. On this basis, for the existing problems, with the index system construction methods, this paper puts forward a set of index system based on techonlogy deminsion, economy deminsion and management deminsion, and constructs the evaluation model of enterprise information system validity. Finally, this paper evaluates the validity of information system of XI'AN HING-VOLTAGE ELECTRICAL PORCELAIN FACTORY . Based on the evaluation results, this paper makes proposals that the system can be further improved. This paper choose AHP as the primary means of weight, and select the Fuzzy Evaluation as the means of evaluation.