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A Knowledge-Based Teaching Resources Recommend Model for Primary and Secondary School Oriented Distance-Education Teaching Platform
Zhao MJ(赵美静); Ni WC(倪晚成); Zhang HD(张海东); Lin ZQ(林子琦); Yang YP(杨一平); Ni WC(倪晚成)
2014
发表期刊Lecture Notes in Electrical Engineering
期号269页码:511-521
摘要In distance education systems, the ranked list of resources is very important for learners and teachers to find useful resources effectively. Apart from user’s interest, the knowledge point of subject is a crucial factor for education system, especially for primary and secondary school oriented distance education. Much of the previous work are models based on recommender systems, however, these models considered only user’s interest, ignoring the crucial impact of subject knowledge. In order to improve the performance of recommender systems, we considered both the subject knowledge and user’s interest. To get this target, Latent Knowledge Model (LKM) is adopted. LKM is a knowledge-based and teaching task-oriented model. It enables subject knowledge resources through knowledge tree extended search strategy, and gets personalized resources through user feature mining strategy. LKM is realized on real data sets which are obtained from a popular distance education teaching platform. Recall and precision rate are used to evaluate the performance of our proposed method for resources recommendation tasks. Experimental results show that the LKM captures subject knowledge and personal preferences for resources selection, which yields significant improvement in recommendation accuracy.
关键词Distance Education Knowledge Tree Extended Search User Feature Recommender System
收录类别EI
语种英语
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/11216
专题综合信息系统研究中心
通讯作者Ni WC(倪晚成)
作者单位中国科学院自动化研究所
推荐引用方式
GB/T 7714
Zhao MJ,Ni WC,Zhang HD,et al. A Knowledge-Based Teaching Resources Recommend Model for Primary and Secondary School Oriented Distance-Education Teaching Platform[J]. Lecture Notes in Electrical Engineering,2014(269):511-521.
APA Zhao MJ,Ni WC,Zhang HD,Lin ZQ,Yang YP,&倪晚成.(2014).A Knowledge-Based Teaching Resources Recommend Model for Primary and Secondary School Oriented Distance-Education Teaching Platform.Lecture Notes in Electrical Engineering(269),511-521.
MLA Zhao MJ,et al."A Knowledge-Based Teaching Resources Recommend Model for Primary and Secondary School Oriented Distance-Education Teaching Platform".Lecture Notes in Electrical Engineering .269(2014):511-521.
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