Knowledge system contains information, mental procedure and psychomotor procedure, and all of them possess six mental processing levels, involving retrieval, comprehension, analysis, knowledge utilization, metacognitive system and self system. 知识系统中的任何一类信息、心理程序和心理动作程序都将经历提取、理解、分析、知识运用、元认知系统和自我系统六个心理加工水平。
The study of event-oriented knowledge can provide services for information processing technologies, such as Automatic Summarization and Question Answering System. 研究面向事件的知识,可以为自动文摘和问题回答系统等信息处理技术提供服务。