推荐系统评估研究综述

Research Review of Recommended System Assessment

推荐系统逐渐流行于各大商业领域与科研领域,目前已有大量的相关研究。然而大部分学者仅专注于推荐算法的研究而忽视推荐系统评估的研究。评估是检验推荐系统性能的手段,对于推荐系统的发展具有重要的引导意义。着眼于评估的研究,对著名杂志ACM TOIS近五年发表的相关的文献进行调查、分析、总结,指出评估研究的现状,阐述三种实验的优势与局限性,并着重对现有的评测指标进行系统的回顾。根据目前评估研究存在的问题,提出五个未来可研究的方向。

The recommendation system is gradually popular in all major commercial fields and scientific research fields,and there are a lot of related researches.However,most scholars only focus on the research of the recommendation algorithm and neglect the research on the evaluation of the recommendation system.Evaluation is a means to test the performance of the recommender system and has important guiding significance for the development of the recommender system.Focuses on the evaluation of the research,conducts surveys,analyses,and summarizes relevant documents published in the famous magazine ACM TOIS in the past five years,and points out the current status of the evaluation research,explains the advantages and limitations of the three experiments.It also focuses on a systematic review of existing evaluation indicators.Based on the current problems in the evaluation study,proposes five future directions.