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- W272860900 abstract "This paper presents an algorithm capable of providing meaningful and diversified product recommendations to small sets of users. The proposed approach works on a high-dimensional space of latent factors discovered by the bias-SVD matrix factorization techniques. While latent factor models have been widely used for single users, in this paper we formalize recommendations for multi-user as a multi-objective minimization problem. In the pursuit of recommendation diversity, we introduce a metric that explores the angles among product factor vectors and extracts from these a measurable real-life meaning in terms of diversity. In contrast to the majority of recommender systems for groups described in literature, our system employs a collaborative filtering approach based on latent factor space instead of content-based or ratings merging approaches." @default.
- W272860900 created "2016-06-24" @default.
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- W272860900 date "2014-01-01" @default.
- W272860900 modified "2023-09-27" @default.
- W272860900 title "Multi-user Diverse Recommendations through Greedy Vertex-Angle Maximization" @default.
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- W272860900 doi "https://doi.org/10.1007/978-3-319-12571-8_9" @default.
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