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信息共享是ＣＳＣＷ系统中多用户协作的基础．文中在分析ＣＳＣＷ系统中共享对象服务的功能需求的基础上，提出了一个共享对象的协作支持模型ＳＯＣＳＭ／ＬＳＩ，该模型使用分层的服务界面来实现共享对象的访问控制、协作感知和界面显示等服务功能，完成对共享对象的协作支持．该模型具有实现简单，功能层次清晰等特点，能够为共享对象提供灵活的协作机制．
Information sharing is the foundation of multi-user collaboration in the CSCW system. Based on the analysis of the functional requirements of shared object service in CSCW system, this paper proposes a shared object collaborative support model SOCSM / LSI. This model uses a layered service interface to achieve shared object access control, collaboration awareness and interface display And other service functions, to complete the collaborative support for shared objects. The model has such features as simple implementation and clear function hierarchy, and can provide a flexible collaboration mechanism for shared objects.