摘要:The main objective of this study is to investigate real factors affecting the user satisfaction of VND so as to find solutions for the above mentioned issues. In order to achieve such objective, this research has integrated factor analysis, fuzzy theory and Decision Making Trial and Evaluation Laboratory (DEMATEL) to construct innovative and stringent data analysis architecture. Such structure can effectively sort out factors and delete fuzzy factors during human decision making process, in other words, the information needed for R&D decision making can be more accurately provided. Empirical experimental results show that the investment on the reduction of the failure rate of the product and the providing of more convenient and accurate map data updating service will all be helpful to the enhancement of brand image and such business operation strategy of moving towards the right end of smile curve is the key for an enterprise to keep innovative and to keep competitive.