Abstract:

This paper introduces a knowledge-based natural language understanding system and the pattern of knowledge representation of the knowledge base of thi s system, describes the knowledge acquisition process of the domain process tree in the knowledge base. According to the pattern of knowledge representa tion of the domain process tree, we design and realize a knowledge acquisition tool, and enhance the speed and accuracy of knowledge acquisition of the domain process tree.

Key words: NLU, knowledge base, knowledge represent ation, knowledge acquisition