@inproceedings{4ee71d19f1fc4f94a880620cb5221a7f,
title = "Exploiting users{\textquoteright} rating behaviour to enhance the robustness of social recommendation",
abstract = "In the rating systems, quite often it can be observed that some users rate few items, whereas some users rate a large number of items. Users{\textquoteright} rating scores also vary, i.e., some users{\textquoteright} scores are widely distributed while others are falling in a small range. Existing social recommendation approaches largely ignore such differences. We propose a peer-based relay recommendation method that exploits the credibility of users{\textquoteright} ratings. The credibility of a user{\textquoteright}s rating is calculated according to its rating behaviour in terms of the number of ratings provided and the deviation from the normal behaviour. The credibility value of a user{\textquoteright}s rating is incorporated when aggregating ratings from different users. Experiments are conducted on a large-scale social rating network for movie recommendations. The results show that the incorporation of credibility of users{\textquoteright} ratings can effectively reduce the impact of recommended rating noises with low credibility and enhance robustness of the system.",
keywords = "Credibility, Peer-based recommendation, Rating behaviour, Recommendation relay scheme, Social recommender system",
author = "Zizhu Zhang and Weiliang Zhao and Jian Yang and Surya Nepal and Cecile Paris and Bing Li",
year = "2017",
doi = "10.1007/978-3-319-68786-5_37",
language = "English",
isbn = "9783319687858",
series = "Lecture Notes in Computer Science",
publisher = "Springer, Springer Nature",
pages = "467--475",
editor = "Athman Bouguettaya and Yunjun Gao and Andrey Klimenko and Lu Chen and Xiangliang Zhang and Fedor Dzerzhinskiy and Weijia Jia and Klimenko, {Stanislav V.} and Qing Li",
booktitle = "Web Information Systems Engineering – WISE 2017",
address = "United States",
note = "18th International Conference on Web Information Systems Engineering, WISE 2017 ; Conference date: 07-10-2017 Through 11-10-2017",
}