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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)
Source PublicationLecture Notes in Electrical Engineering
2014
Issue269Pages:511-521
AbstractIn 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.
KeywordDistance Education Knowledge Tree Extended Search User Feature Recommender System
Indexed ByEI
Language英语
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/11216
Collection综合信息系统研究中心
Corresponding AuthorNi WC(倪晚成)
Affiliation中国科学院自动化研究所
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
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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