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Factors Affecting the Performance of Recommender Systems in a Smart TV Environment

Department of Computer Science, University of Peshawar, Peshawar 25120, Pakistan
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Technologies 2019, 7(2), 41; https://doi.org/10.3390/technologies7020041
Received: 15 April 2019 / Revised: 7 May 2019 / Accepted: 21 May 2019 / Published: 27 May 2019
(This article belongs to the Special Issue Next Generation of Recommender Systems)
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Abstract

The recommender systems are deployed on the Web for reducing cognitive overload. It uses different parameters, such as profile information, feedbacks, history, etc., as input and recommends items to a user or group of users. Such parameters are easy to predict and calculate for a single user on a personalized device, such as a personal computer or smartphone. However, watching the Web contents on a smart TV is significantly different from other connected devices. For example, the smart TV is a multi-user, lean-back supported device, and normally enjoyed in groups. Moreover, the performance of a recommender system is questionable due to the dynamic interests of groups in front of a smart TV. This paper discussed in detail the existing recommender system approaches in the context of smart TV environment. Moreover, it highlights the issues and challenges in existing recommendations for smart TV viewer(s) and presents some research opportunities to cope with these issues. The paper further reports some overlooked factors that affect the recommendation process on a smart TV. A subjective study of viewers’ watching behavior on a smart TV is also presented for validating these factors. Results show that apart from all technological advancement, the viewers are enjoying smart TV as a passive, lean-back device, and mostly used for watching live channels and videos on the big screen. Furthermore, in most households, smart TV is enjoyed in groups as a shared device which creates hurdles in personalized recommendations. This is because predicting the group members and satisfying each member is still an issue. The findings of this study suggest that for precise and relevant recommendations on smart TVs, the recommender systems need to adapt to the varying watching behavior of viewer(s). View Full-Text
Keywords: smart TV; recommendations; recommender systems; group recommendations smart TV; recommendations; recommender systems; group recommendations
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Alam, I.; Khusro, S.; Khan, M. Factors Affecting the Performance of Recommender Systems in a Smart TV Environment. Technologies 2019, 7, 41.

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