| With the advent of the era of knowledge, the advantage of knowledge management in the enterprise competitive has become increasingly apparent. As the core of knowledge management,the knowledge management system also is becoming more important. Not only can it organize, manage and apply the enterprise knowledge, but also the important tool of knowledge employees. This paper combines the current situation of the development of the knowledge management system, based on the problem of low knowledge search precision in current knowledge management system, uses a hybrid knowledge based on content filtering and the collaborative filtering technique and a kind of personalized knowledge retrieval methods, designs a kind of vector space model which is based on weighting characteristic value,in order to represent the user interest model and knowledge document model, and constructs personalized knowledge retrieval system by ASP.Net and C# open source wiki. At the end of paper, conduct an experiment in the common search and personalization knowledge search system, which uses data of a Beijing institute. The results prove the rationality and effectiveness of the personalized knowledge search method. |