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Hierarchical Gating Networks for Sequential Recommendation

Open access
Ma, Chen, Kang, Peng, Liu, Xue·2019·Proceedings of the 25th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining

Abstract

The chronological order of user-item interactions is a key feature in many recommender systems, where the items that users will interact may largely depend on those items that users just accessed recently. However, with the tremendous increase of users and items, sequential recommender systems still face several challenging problems: (1) the hardness of modeling the long-term user interests from sparse implicit feedback; (2) the difficulty of capturing the short-term user interests given several items the user just accessed. To cope with these challenges, we propose a hierarchical gating network (HGN), integrated with the Bayesian Personalized Ranking (BPR) to capture both the long-term and short-term user interests. Our HGN consists of a feature gating module, an instance gating module, and an item-item product module. In particular, our feature gating and instance gating modules select what item features can be passed to the downstream layers from the feature and instance levels, respectively. Our item-item product module explicitly captures the item relations between the items that users accessed in the past and those items users will access in the future. We extensively evaluate our model with several state-of-the-art methods and different validation metrics on five real-world datasets. The experimental results demonstrate the effectiveness of our model on Top-N sequential recommendation.

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Metadata

Authors
Ma, C., Kang, P., & Liu, X.
Venue
Proceedings of the 25th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining
Publisher
ACM
Published
2019-07-25
Pages
825-833
OpenAlex
W2951645301
Cited by
322
References
42
FWCI
26.73
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: Hierarchical Gating Networks for Sequential Recommendation. https://app.cochat.ai/papers/10.1145/3292500.3330984
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Ma, C., Kang, P., & Liu, X. (2019). Hierarchical Gating Networks for Sequential Recommendation. Proceedings of the 25th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining. https://doi.org/10.1145/3292500.3330984

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