International World Wide Web Conference Committee
Social recommendations have been a very intriguing domain for researchers in the past decade. The main premise is that the social network of a user can be leveraged to enhance the rating-based recommendation process. This has been achieved in various ways, and under different assumptions about the network characteristics, structure, and availability of other information (such as trust, content, etc.) In this work, we create neighborhoods of influence leveraging only the social graph structure. These are in turn introduced in the recommendation process both as a pre-processing step and as a social regularization factor of the matrix factorization algorithm. Our experimental evaluation using real-life datasets demonstrates the effectiveness of the proposed technique.
Avni Gulati and Magdalini Eirinaki. "With a little help from my friends (and their friends): Influence neighborhoods for social recommendations" International World Wide Web Conference Committee (2019). https://doi.org/10.1145/3308558.3313745
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