中文摘要：

Web2.0强调用户参与和自组织,是知识交流的理想环境。近年来,图书情报界对Web2.0的应用展开了丰富的研究,但相对缺乏对于知识交流的模式研究。文章以Web2.0环境下的知识交流为研究对象,采用网络调查、模型构建等方法分析了它的特点,以期能够探索其中规律和更好地促进知识交流的发展。

英文摘要：

Web2.0 places emphasis on users＇ participation and self-organization, which is an ideal environment for knowledge communication. In recent years library and information groups have carried out a lot of research on the application of Web2. O, however, it is lack of the research of knowledge communication mode relatively. This article uses knowledge communication mode based on Web2. 0 environment as a research object, employs web survey, model building, etc. to analyze its fectures, aiming at exploring the regularity and promoting the development of knowledcle communication.