摘要： 介绍了交互式多媒体信息系统中的电子白板模块的设计和实现。对于电子白板这样的实时网上协作系统而言，开发时需要注意许多问题．文章首先介绍了不一致问题、用户间感知问题的产生和解决；然后介绍了本模块的具体实现；最后介绍了模块的特点和使用情况．

关键词: 电子白板, CSCW, 并发控制, 一致性维护, 群件, 感知, 共享工作空间

Abstract: This paper introduces the design and implementation of whiteboard module in the interactive multimedia information system. There arc many considerations in the design of a real-time collaborative system such as whiteboard. First, this paper introduces why we should pay attention to consistency maintenance and workspace awareness and how to deal with them: then, the paper introduces how to realize whiteboard module; finally, we discuss the characters of this whiteboard module.

中图分类号: 

• TP311.5