Browsing College of Science by Subject "Recommender systems (Information filtering)--Evaluation"

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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 ...
A multi-criteria evaluation of a user generated content based recommender system

Garcia Esparza, Sandra ; O'Mahony, Michael P. ; Smyth, Barry (2011-10-23)

The Social Web provides new and exciting sources of information that may be used by recommender systems as a complementary source of recommendation knowledge. For example, User-Generated Content, such as reviews, tags, ...