Identifying reputation collectors in community question answering (CQA) sites: Exploring the dark side of social media

作者:

Highlights:

• The paper identifies users who post and motivate others to post low quality and duplicate contents on CQA sites.

• The good guys are called Caretakers and bad guys are considered as Reputation Collectors.

• A graph based methodology was employed to derive the characteristic of Reputation Collectors and Caretakers.

• The algorithms have been developed to identify the Reputation Collectors and Caretakers.

• The results indicate that 1.05% of Reputation Collectors post 18.88% of low-quality answers.

摘要

•The paper identifies users who post and motivate others to post low quality and duplicate contents on CQA sites.•The good guys are called Caretakers and bad guys are considered as Reputation Collectors.•A graph based methodology was employed to derive the characteristic of Reputation Collectors and Caretakers.•The algorithms have been developed to identify the Reputation Collectors and Caretakers.•The results indicate that 1.05% of Reputation Collectors post 18.88% of low-quality answers.

论文关键词:Community question answering,Reputation collectors,Expert users,Stack exchange,Data analysis

论文评审过程:Received 17 April 2018, Revised 10 May 2018, Accepted 17 May 2018, Available online 24 May 2018, Version of Record 24 May 2018.

论文官网地址:https://doi.org/10.1016/j.ijinfomgt.2018.05.003