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- W2999127310 abstract "Group recommendation research has recently received much attention in a recommender system community. Currently, several deep-learning-based methods are used in group recommendation to learn preferences of groups on items and predict the next ones in which groups may be interested. However, their recommendation effectiveness is disappointing. To address this challenge, this article proposes a novel model called a multiattention-based group recommendation model (MAGRM). It well utilizes multiattention-based deep neural network structures to achieve accurate group recommendation. We train its two closely related modules: vector representation for group features and preference learning for groups on items. The former is proposed to learn to accurately represent each group's deep semantic features. It integrates four aspects of subfeatures: group co-occurrence, group description, and external and internal social features. In particular, we employ multiattention networks to learn to capture internal social features for groups. The latter employs a neural attention mechanism to depict preference interactions between each group and its members and then combines group and item features to accurately learn group preferences on items. Through extensive experiments on two real-world databases, we show that MAGRM remarkably outperforms the state-of-the-art methods in solving a group recommendation problem." @default.
- W2999127310 created "2020-01-23" @default.
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- W2999127310 date "2020-11-01" @default.
- W2999127310 modified "2023-10-16" @default.
- W2999127310 title "An Efficient Group Recommendation Model With Multiattention-Based Neural Networks" @default.
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- W2999127310 doi "https://doi.org/10.1109/tnnls.2019.2955567" @default.
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