1. Luca M, Zervas G (2016) Fake it till you make it: reputation, competition, and yelp review fraud. Manag Sci 62(12):3412–3427
2. Ott M, Choi Y, Cardie C, Hancock JT (2011) Finding deceptive opinion spam by any stretch of the imagination. In: Proceedings of the 49th annual meeting of the association for computational linguistics: human language technologies - vol 1. Stroudsburg, PA, USA, pp 309–319
3. Mukherjee A, Venkataraman V, Liu B, Glance NS (2013) What yelp fake review filter might be doing?. In: Proceedings of the Seventh International Conference on weblogs and social media, ICWSM 2013, Cambridge, Massachusetts, USA, 8-11 July
4. Jindal N, Liu B (2008) Opinion spam and analysis. In: Proceedings of the 2008 international conference on Web Search and data mining. ACM, pp 219–230
5. Mukherjee A, Liu B, Glance N (2012) Spotting fake reviewer groups in consumer reviews. In: Proceedings of the 21st international conference on World Wide Web. ACM, pp 191–200