Exploring groups of opinion spam using sentiment analysis guided by nominated topics

作者：

Highlights：

• This is the first study using platform-offered aspects for spam detection.

• This is also the first study to address Chinese reviews for aspect-oriented fraud labelling.

• Cross-platform reviews are integrated for spam group clustering.

• We achieve high performance in spam clustering.

摘要

•This is the first study using platform-offered aspects for spam detection.•This is also the first study to address Chinese reviews for aspect-oriented fraud labelling.•Cross-platform reviews are integrated for spam group clustering.•We achieve high performance in spam clustering.

论文关键词：Review spam,Opinion spam,Spam group,Nominated topic,Aspect-oriented sentiment

论文评审过程：Received 24 August 2020, Revised 3 January 2021, Accepted 6 January 2021, Available online 12 January 2021, Version of Record 30 January 2021.

论文官网地址：https://doi.org/10.1016/j.eswa.2021.114585