ORFEL: super-fast detection of defamation and illegitimate promotion in online recommendation
CoRR, Volume abs/1505.06747, 2015.
What if a successful company starts to receive a torrent of low-valued (one or two stars) recommendations in its mobile apps from multiple users within a short (say one month) period? Is it legitimate evidence that the apps have lost quality, or an intentional plan (via lockstep behavior) to steal market share through defamation? In cas...更多
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