Methods for altering weights of case characteristics, amendment tactics and searching memory chart are offered, which enhance the adaptability and self study ability of expert system.

• 提出了事例检索时的变权值检索方法熏事例学习时的修正策略和为提高检索效率的事例检索记忆表策略,使CBR专家系统的适应能力与自学习能力大大增强;