Research commentary on recommendations with side information: A survey and research directions

作者：

Highlights：

• A comprehensive systematic survey on recommendation systems with side information.

• Two orthogonal perspectives on identified for classifying and concluding literature.

• Sufficient discussions and analysis are given for guiding research on this topic.

• Potential directions are given for future research.

摘要

•A comprehensive systematic survey on recommendation systems with side information.•Two orthogonal perspectives on identified for classifying and concluding literature.•Sufficient discussions and analysis are given for guiding research on this topic.•Potential directions are given for future research.

论文关键词：Research commentary,Recommender systems,Side information,Memory-based methods,Latent factor models,Representation learning,Deep learning,Flat features,Social networks,Feature hierarchies,Knowledge graphs

论文评审过程：Received 4 June 2019, Revised 15 July 2019, Accepted 15 July 2019, Available online 3 August 2019, Version of Record 24 September 2019.

论文官网地址：https://doi.org/10.1016/j.elerap.2019.100879