What surprises does your past have for you?

作者：

Highlights：

• Proposal of a methodology of usefulness quantification for recommending known items.

• Proposal of distinct strategies for identifying unexpected known items in real domains.

• Offline and Online experiments that demonstrate the usefulness of this kind of recommendation.

摘要

•Proposal of a methodology of usefulness quantification for recommending known items.•Proposal of distinct strategies for identifying unexpected known items in real domains.•Offline and Online experiments that demonstrate the usefulness of this kind of recommendation.

论文关键词：Recommendation,User modeling,Unexpectedness

论文评审过程：Received 2 January 2017, Revised 27 July 2017, Accepted 2 August 2017, Available online 2 August 2017, Version of Record 23 August 2017.

论文官网地址：https://doi.org/10.1016/j.is.2017.08.001