Via analyzing users’estimate on search result,the search engine quality value and user estimate value are defined.

This paper introduces the connotation of E-government,analyzes the user appraisal factors of doing well the government website construction from the angle of information service,and puts forward some advices for improving the quality of the service.

A decision tree-based forecasting method of product design user evaluation

Based on rough set theory and fuzzy clustering means,this paper analyses the user evaluation data of library,in order to find the associated rule between the user evaluation index and confirm the primary index of user evaluation.

Moreover,the paper puts forward the new requirements of librarians and the technical abilities form user value.

People identify enterprises core ability through their user value,uniqueness,extendibility,and impossibility to be imitated and replaced.

Study on Information Customer Value Determination, Analysis,and Delivery

This paper resents a five-step information customer value determination p rocess,builds a comprehensive analysis matrix of information customer value,based on information customer value determination.

Based on the theories of customer value,the author discusses the personal mobile communication customer value from the perspective of enterprise and classifies the customer value into present value and potential value.

Therefore,according to the specific characters of wireless telecommunications,we present a comprehensivecustomer value evaluation system,and derive a more objective method based on data mining techniques.