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

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    Accepted manuscript (1.265Mb)
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    Publication date
    2018-10
    Author
    Roy, P.K.
    Singh, J.P.
    Baabdullah, A.M.
    Kizgin, Hatice
    Rana, Nripendra P.
    Keyword
    Community Question Answering
    CQA
    Reputation collectors
    Expert users
    Stack exchange
    Data analysis
    Rights
    © 2018 Elsevier. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.
    Peer-Reviewed
    Yes
    
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    Abstract
    This research aims to identify users who are posting as well as encouraging others to post low-quality and duplicate contents on community question answering sites. The good guys called Caretakers and the bad guys called Reputation Collectors are characterised by their behaviour, answering pattern and reputation points. The proposed system is developed and analysed over publicly available Stack Exchange data dump. A graph based methodology is employed to derive the characteristic of Reputation Collectors and Caretakers. Results reveal that Reputation Collectors are primary sources of low-quality answers as well as answers to duplicate questions posted on the site. The Caretakers answer limited questions of challenging nature and fetches maximum reputation against those questions whereas Reputation Collectors answers have so many low-quality and duplicate questions to gain the reputation point. We have developed algorithms to identify the Caretakers and Reputation Collectors of the site. Our analysis finds that 1.05% of Reputation Collectors post 18.88% of low quality answers. This study extends previous research by identifying the Reputation Collectors and 2 how they collect their reputation points.
    URI
    http://hdl.handle.net/10454/17213
    Version
    Accepted manuscript
    Citation
    Roy PK, Singh JP, Baabdullah AM et al (2018) Identifying reputation collectors in community question answering (CQA) sites: Exploring the dark side of social media. International Journal of Information Management. 42(10): 25-35.
    Link to publisher’s version
    https://doi.org/10.1016/j.ijinfomgt.2018.05.003
    Type
    Article
    Collections
    Management and Law Publications

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