中文摘要：

数字图书馆社区是用户知识交流号利用的平台，为用户知识交流提供资源和服务保障。社会化知识创新环境下，用户的知识交流呈现出社会化和多元化特征。文章从数字图书馆社区知识交流的社会化变革及演化过程出发，分析基于用户关系的数字图书馆社区用户知识交流模式与过程，并在此基础上构建用户知识交流体系。

英文摘要：

Digital library community is the platform for users＇ knowledge communication and utilization. Under the social knowledge innovation environment, the users knowledge communication shows the characteristics of socialization and diversification. In this paper, starting with the analysis of the interaction relationship between users, the revolution and development of social knowledge communication of digital library users were studied. Then, users＇ knowledge communication mode and process were analyzed based on user relationship. Finally, the user relationship based knowledge communication system was established.