A survey of serendipity in recommender systems
作者：
Highlights：
• We summarize most efforts on serendipity in recommender systems.
• We compare definitions of serendipity in recommender systems.
• We classify the state-of-the-art serendipity-oriented recommendation algorithms.
• We review methods to assess serendipity in recommender systems.
• We provide the future directions of serendipity in recommender systems.
摘要
•We summarize most efforts on serendipity in recommender systems.•We compare definitions of serendipity in recommender systems.•We classify the state-of-the-art serendipity-oriented recommendation algorithms.•We review methods to assess serendipity in recommender systems.•We provide the future directions of serendipity in recommender systems.
论文关键词：Novelty,Serendipity,Recommender systems,Evaluation metrics,Evaluation strategies,Algorithms
论文评审过程：Received 5 December 2015, Revised 9 August 2016, Accepted 10 August 2016, Available online 11 August 2016, Version of Record 23 September 2016.
论文官网地址：https://doi.org/10.1016/j.knosys.2016.08.014
