关键词: 领域过程树 本体 静态知识 事件聚类

Abstract:

This text mainly studies how to pick up the core meaning from sentences and paragraphs as for natural language understanding. Firstly, the paper builds up a reasonable and perfect static repository, clusters verbs according to their dependency,and finally sorts the clustering results according to the  time sequence. On the premise of building an integral static repository, the verb affair clustering method provided in this paper features high rate of 
success to pick up the core meaning from articles in the intelligence tutoring system for middle schools.

Key words: domain process tree, ontology, static knowledge, affair clustering