【英文摘要】 Recommender systems are among the most typical outcomes of the Internet and E-commerce.In this paper, the authors point out research contents of recommender systems.Then,some critical techniques related are discussed from the following four aspects:data collection and modeling,recommendation algorithms,recommender systems evaluation and recommender systems applications.In the end,the authors present their perspectives on the future and challenges in recommender system studies.

推荐系统研究进展及展望.caj

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