Malaysian Journal of Computer Science (ISSN 0127-9084)
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Article Information
Title:HyPeRM: A Hybrid Personality-Aware Recommender For Movie
Auhtor(s): Vimala Balakrishnan,Hossein Arabi,
Journal:Malaysian Journal of Computer Science (ISSN 0127-9084)
Volume:31, No 1
Keywords:recommender system, personality, age, gender, content-based filtering, collaborative filtering
Abstract:Recommendation systems aim to provide end users with suggestions about items, social elements, products or services that are likely to be of their interests. Most studies on recommender systems focus on finding ways to improve the recommendations, including personalizing the systems based on details such as demographics, location, time and emotion, among others. In this work, a hybrid recommender system, namely HyPeRM, is presented, which uses usersí personality traits along with their demographic details (i.e. age and gender) to improve the overall quality of recommendations. The popular Big Five personality trait measurement scale was used to gauge usersí personalities. HyPeRM was evaluated using two metrics, that is, Standardized Root Mean Square Residual (SRMR) and Root Mean Square Error of Approximation (RMSEA). Both metrics revealed that HyPeRM outperformed the baseline model (i.e. one without userís personality) in terms of the recommendation accuracies. The study shows that user recommendations can be further enhanced when their personality traits are taken into consideration, and thus their overall search experience can be improved as well.

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