ITS中基于知识库的错误诊断模型的研究  

The research of error diagnosis model based on knowledge base in ITS

作　　者：黎孟雄[1] 

机构地区：[1]连云港师范高等专科学校计算机系,江苏连云港222006

出　　处：《齐齐哈尔大学学报（自然科学版）》2009年第5期32-36,共5页Journal of Qiqihar University(Natural Science Edition)

基　　金：江苏省现代教育技术研究"十一.五"规划重点课题基金项目(项目编号:2006-R-2396)

摘　　要：传统的远程教学系统一般只提供在线考试来检测教学效果,而缺乏有效的错误诊断功能。文章提出了一种基于知识库的错误诊断模型及其诊断算法,能够准确地探测定位到错误知识点,目的是在学生做题出错时给出错误原因分析,并把定位的相关知识点信息反馈给教学模块以便及时地动态调整教学策略。Traditional distance tutoring system only provides online examinations to inspect the effect of teaching generally, but lacks the effective error diagnostics function.This paper proposes a error diagnosis model based on knowledge base and a diagnosis algorithm to accurately detect and target the wrong knowledge point.It is aim to give the analysis of wrong reason when students are making wrong and report back the located relevant knowledge point to the teaching modules timely in order to adjust teaching strategies dynamically.

关 键 词：智能教学系统 知识库 错误诊断 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构]