Browsing School of Computer Science and Informatics by Author "Wu, Guangyu"

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Distortion as a validation criterion in the identification of suspicious reviews

Wu, Guangyu ; Greene, Derek ; Smyth, Barry ; Cunningham, Pádraig (University College Dublin, 2010-05-02)

Assessing the trustworthiness of reviews is a key issue for the maintainers of opinion sites such as TripAdvisor. In this paper we propose a distortion criterion for assessing the impact of methods for uncovering ...
Merging multiple criteria to identify suspicious reviews

Wu, Guangyu ; Greene, Derek ; Cunningham, Pádraig (ACM, 2010)

Assessing the trustworthiness of reviews is a key issue for the maintainers of opinion sites such as TripAdvisor, given the rewards that can be derived from posting false or biased reviews. In this paper we present a number ...