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Lecture Notes in Computer Science- P85:This year, we received about 170 submissions to ICWL 2008. There were a total of 52 full papers, representing an acceptance rate of about 30%, plus one invited paper accepted for inclusion in this LNCS proceedings. The authors of these accepted papers | The Design and Implement of Knowledge Building Classroom Based on Web2.0 409 communities and hosted services such as social-networking sites wikis blogs and folksonomies which aim to facilitate creativity collaboration and sharing between users. It is a knowledge-oriented environment where human interactions generate content that is published managed and used through network applications in a service-oriented architecture. Web2.0 technology has its innate characteristics for building the web-based interactive learning environment. The main Web2.0 representation approaches of this system are as follows 1. The system introduces AJAX technology to improve the interactivity between students and interface. It provides functionality for interactive activities. The learning environment interface should be combined with the correlation theories of aesthetics and educational psychology. For example the color should complement each other and the alternative response speed should be fast. If it takes a long time to wait for the reaction after clicking the mouse the students may be tired of learning which will have a negative impact on learning interest and effect. At the times of Web 1.0 web-based learning environment s development adopted traditional Web development technology the interaction between the users and the web page demanded the entire page to refresh even if there is only a small part of the page was changed. Therefore regular screen blinking and waiting always happened. However AJAX in Web2.0 technology solves the problem AJAX technology takes asynchronous date by using XML HttpRequest Object. It is able to retrieve date from the server according to the requirement. When small part of the page needs to be updated users could just submit that small part to the server instead of the entire page. Therefore the condition of screen blinking and refreshing does not exist. 2. This system uses Wiki to provide interactional functions among the members of the community. .