| Primary | Nitin Jindal and Bing Liu. "Opinion Spam and Analysis." Proceedings of First ACM International Conference on Web Search and Data Mining (WSDM-2008), Feb 11-12, 2008, Stanford University, Stanford, California, USA. |
| Supplementary | Ott, Myle and Choi, Yejin and Cardie, Claire and Hancock, Jeffrey. (2011) Finding Deceptive Opinion Spam by Any Stretch of the Imagination, ACL 2011. |
| Supplementary | Wu, G., Greene, D., Smyth, B., & Cunningham, P. (2010). Distortion as a Validation
Criterion in the Identification of Suspicious Reviews. In Proceedings of the First
Workshop on Social Media Analytics - SOMA '10, p. 10-13. New York, New York, USA:
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