Papers › Adaptive User Modeling with Long and Short-Term Preferences for Personalized Recommendation
Adaptive User Modeling with Long and Short-Term Preferences for Personalized Recommendation
Zeping Yu, Jianxun Lian, Ahmad Mahmoody, Gongshen Liu, Xing Xie
User modeling is an essential task for online rec- ommender systems. In the past few decades, col- laborative filtering (CF) techniques have been well studied to model users’ long term preferences. Recently, recurrent neural networks (RNN) have shown a great advantage in modeling users’ short term preference. A natural way to improve the rec- ommender is to combine both long-term and short- term modeling. Previous approaches neglect the importance of dynamically integrating these two user modeling paradigms. Moreover, users’ be- haviors are much more complex than sentences in language modeling or images in visual computing, thus the classical structures of RNN such as Long Short-Term Memory (LSTM) need to be upgraded for better user modeling. In this paper, we im- prove the traditional RNN structure by proposing a time-aware controller and a content-aware con- troller, so that contextual information can be well considered to control the state transition. We fur- ther propose an attention-based framework to com- bine users’ long-term and short-term preferences, thus users’ representation can be generated adap- tively according to the specific context. We con- duct extensive experiments on both public and in- dustrial datasets. The results demonstrate that our proposed method outperforms several state-of-art methods consistently.
Code
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Recommendation Systems | Amazon Product Data | SLi-Rec | AUC | 0.8494 | #2 of 2 | Archive leaderboard | report |
| Recommendation Systems | Amazon Product Data | SLi-Rec | F1 | 0.7745 | #2 of 2 | Archive leaderboard | report |
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