摘要
根据推荐系统任务的不同,介绍了不同的准确性度量指标以及各自的优缺点;介绍了准确度之外的其它指标,例如推荐多样性、覆盖率等;指出了目前评价指标存在的缺陷,以及未来可能的改进方向。
According to the system tasks, we introduce the different accuracy metrics as well as their respective advantages and disadvantages. Furthermore, other metrics are also introduced, such as the diversity, coverage and so on. Finally, we point out the defects of the current evaluation, as well as the possible future directions to improve.
出处
《复杂系统与复杂性科学》
EI
CSCD
2009年第3期1-10,共10页
Complex Systems and Complexity Science
基金
国家重点基础研究发展计划(973计划)(2006CB705500)
国家自然科学基金(10635040
60744003
10532060
10472116)
辽宁省教育厅基金(20060140)
关键词
个性化推荐系统
准确率指标
推荐多样性
覆盖率
personalized recommendation systems
accuracy metric
recommendation diversity
coverage