Part 4 discusses the acquisition methods of user knowledge and expert knowledge, and constructs the acquisition arithmetic and models.
第四部分：论述了用户知识和专家知识的获取方法，并探讨了基于机器学习的获取模型及算法。
参考来源 - 智能信息系统中的知识获取研究·2,447,543篇论文数据，部分数据来源于NoteExpress
提出了用户知识需求处理算法和学习算法。
The algorithms for knowledge need process and learning are proposed.
一种方式是隐藏页面内与用户知识水平不相关的那些内容。
One way is to hide some of the content in the page that is not relevant to the user's level of knowledge about the concept.
将设计知识和用户知识的知识提取过程作为获取可用性相关知识的方法。
The process of obtaining design knowledge and user knowledge was applied to capture knowledge of usability.
应用推荐