The current research progresses and the existing problems of description logic(DL), especially the insufficiency of using dynamic description logic(DDL) to act as logical foundation for the semantic Web, are analyzed in this paper.

• 分析了目前描述逻辑(DL)的研究现状和存在的问题；特别是动态描述逻辑(DDL)作为语义Web逻辑基础所存在的问题.