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• W2265057105 abstract "Nowadays, with the development of online social networks (OSN), a mass of online social information has been generated in OSN, which has triggered research on social recommendation. Collaborative filtering, as one of the most popular techniques in social recommendation, faces several challenges, such as data sparsity, cold-start users and prediction quality. The motivation of our work is to deal with the above challenges by effectively combining collaborative filtering technology with social information. The trust relationship has been identified as a useful means of using social information to improve the quality of recommendation. In this paper, we propose a trust-based recommendation approach which uses GlobalTrust (GT) to represent the trust value among users as neighboring nodes. A matrix factorization based on singular value decomposition is used to get a trust network built on the GT value. The recommendation results are obtained through a modified random walk algorithm called GlobalTrustWalker. Through experiments on a real-world sparser dataset, we demonstrate that the proposed approach can better utilize users' social trust information and improve the recommendation accuracy on cold-start users." @default.
• W2265057105 created "2016-06-24" @default.
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• W2265057105 date "2016-01-01" @default.
• W2265057105 modified "2023-09-28" @default.
• W2265057105 title "Using Trust of Social Ties for Recommendation" @default.
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• W2265057105 doi "https://doi.org/10.1587/transinf.2015edp7199" @default.
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