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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Intention-aware for Session-based Recommendation with Multi-channel Network
WANG Jing-jing, Oliver Tat Sheung Au, Lap-Kei Lee
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DOI:10.17265/2159-5836/2021.03.011
School of Science and Technology, The Open University of Hong Kong, Hong Kong, China
Session-based recommendation predicts the user’s next action by exploring the item dependencies in an anonymous session. Most of the existing methods are based on the assumption that each session has a single intention, items irrelevant to the single intention will be regarded as noises. However, in real-life scenarios, sessions often contain multiple intentions. This paper designs a multi-channel Intention-aware Recurrent Unit (TARU) network to further mining these noises. The multi-channel TARU explicitly group items into the different channels by filtering items irrelevant to the current intention with the intention control unit. Furthermore, we propose to use the attention mechanism to adaptively generate an effective representation of the session’s final preference for the recommendation. The experimental results on two real-world datasets denote that our method performs well in session recommendation tasks and achieves improvement against several baselines on the general metrics.
Intention-aware network; Session-based recommendation; Recommendation
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