Abstract
We initiate a systematic study to help distinguish a special group of online users, called hidden paid posters, or termed “Internet water army” in China, from the legitimate ones. On the Internet, the paid posters represent a new type of online job opportunities. They get paid for posting comments or articles on different online communities and web sites for hidden purposes, e.g., to influence the opinion of other people toward certain social events or business markets. While being an interesting strategy in business marketing, paid posters may create a significant negative effect on the online communities, since the information from paid posters is usually not trustworthy. When two competitive companies hire paid posters to post fake news or negative comments about each other, normal netizens may feel overwhelmed and find it difficult to put any trust in the information they acquire from the Internet. In this paper, we thoroughly investigate the behavioral pattern of online paid posters based on real-world trace data. We design and validate a new detection mechanism, using both nonsemantic analysis and semantic analysis, to identify potential online paid posters. Our test results with real-world datasets show a very promising performance.
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Notes
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For a full description of this dispute, please refer to http://en.wikipedia.org/wiki/360_v._Tencent.
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Acknowledgments
We thank Natural Sciences and Engineering Research Council of Canada (NSERC) and Mathematics of Information Technology And Complex Systems (MITACS) for the funding support. We thank MIT Tech. Review [20] for announcing our work to the public.
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Chen, C., Wu, K., Srinivasan, V., Zhang, X. (2015). A Comprehensive Analysis of Detection of Online Paid Posters. In: Ulusoy, Ö., Tansel, A., Arkun, E. (eds) Recommendation and Search in Social Networks. Lecture Notes in Social Networks. Springer, Cham. https://doi.org/10.1007/978-3-319-14379-8_6
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