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Direct linkLei, Wu; Qing, Fang; Zhou, Jin – International Journal of Distance Education Technologies, 2016
There are usually limited user evaluation of resources on a recommender system, which caused an extremely sparse user rating matrix, and this greatly reduce the accuracy of personalized recommendation, especially for new users or new items. This paper presents a recommendation method based on rating prediction using causal association rules.…
Descriptors: Causal Models, Attribution Theory, Correlation, Evaluation Methods
Jonassen, David H. – 1988
Cognitive mapping is used in this paper to develop a schemata which represents the knowledge domain or research and theory structure of the field of instructional technology (IST). Using the technique defined by Diekhoff and Diekhoff (1982), the primary set of concepts in instructional technology research were compared for similarity with all of…
Descriptors: Cognitive Mapping, Correlation, Educational Research, Educational Technology
