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Sequential recommender systems predict items that may interest users by modeling their preferences based on historical interactions. Traditional sequential recommendation methods rely on capturing implicit collaborative filtering signals…

Information Retrieval · Computer Science 2024-03-28 Shenghao Yang , Weizhi Ma , Peijie Sun , Qingyao Ai , Yiqun Liu , Mingchen Cai , Min Zhang

Sequential Recommendation (SR) models user dynamics and predicts the next preferred items based on the user history. Existing SR methods model the 'was interacted before' item-item transitions observed in sequences, which can be viewed as…

Information Retrieval · Computer Science 2022-11-01 Ziwei Fan , Zhiwei Liu , Chen Wang , Peijie Huang , Hao Peng , Philip S. Yu

Recent years have witnessed the great success of self-supervised learning (SSL) in recommendation systems. However, SSL recommender models are likely to suffer from spurious correlations, leading to poor generalization. To mitigate spurious…

Information Retrieval · Computer Science 2024-04-19 Xinyu Lin , Yiyan Xu , Wenjie Wang , Yang Zhang , Fuli Feng

In this paper, we propose a robust sequential learning strategy for training large-scale Recommender Systems (RS) over implicit feedback mainly in the form of clicks. Our approach relies on the minimization of a pairwise ranking loss over…

Information Retrieval · Computer Science 2021-09-15 Alexandra Burashnikova , Yury Maximov , Massih-Reza Amini

Sequential recommendation tasks, which aim to predict the next item a user will interact with, typically rely on models trained solely on historical data. However, in real-world scenarios, user behavior can fluctuate in the long interaction…

Information Retrieval · Computer Science 2024-10-01 Zhaoqi Yang , Yanan Wang , Yong Ge

Sequential recommendation (SR) tasks aim to predict users' next interaction by learning their behavior sequence and capturing the connection between users' past interactions and their changing preferences. Conventional SR models often focus…

Information Retrieval · Computer Science 2024-12-19 Haoyi Zhang , Guohao Sun , Jinhu Lu , Guanfeng Liu , Xiu Susie Fang

Sequential recommendation models have achieved state-of-the-art performance using self-attention mechanism. It has since been found that moving beyond only using item ID and positional embeddings leads to a significant accuracy boost when…

Information Retrieval · Computer Science 2024-09-10 Linsey Pang , Amir Hossein Raffiee , Wei Liu , Keld Lundgaard

Recently, recommendation according to sequential user behaviors has shown promising results in many application scenarios. Generally speaking, real-world sequential user behaviors usually reflect a hybrid of sequential influences and…

Information Retrieval · Computer Science 2019-10-18 Xu Chen , Kenan Cui , Ya Zhang , Yanfeng Wang

Traditional recommender systems such as matrix factorization methods have primarily focused on learning a shared dense embedding space to represent both items and user preferences. Subsequently, sequence models such as RNN, GRUs, and,…

Information Retrieval · Computer Science 2024-08-27 Yaoyiran Li , Xiang Zhai , Moustafa Alzantot , Keyi Yu , Ivan Vulić , Anna Korhonen , Mohamed Hammad

Sequential recommendation aims to predict a user's next action in large-scale recommender systems. While traditional methods often suffer from insufficient information interaction, recent generative recommendation models partially address…

Information Retrieval · Computer Science 2026-02-10 Haibo Xing , Hao Deng , Yucheng Mao , Lingyu Mu , Jinxin Hu , Yi Xu , Hao Zhang , Jiahao Wang , Shizhun Wang , Yu Zhang , Xiaoyi Zeng , Jing Zhang

Sequential recommendation plays an increasingly important role in many e-commerce services such as display advertisement and online shopping. With the rapid development of these services in the last two decades, users have accumulated a…

Information Retrieval · Computer Science 2021-06-01 Yongji Wu , Lu Yin , Defu Lian , Mingyang Yin , Neil Zhenqiang Gong , Jingren Zhou , Hongxia Yang

Repeat consumption, such as repurchasing items and relistening songs, is a common scenario in daily life. To model repeat consumption, the repeat-aware recommendation has been proposed to predict which item will be re-interacted based on…

Information Retrieval · Computer Science 2025-06-11 Shigang Quan , Shui Liu , Zhenzhe Zheng , Fan Wu

Sequential recommendation demonstrates the capability to recommend items by modeling the sequential behavior of users. Traditional methods typically treat users as sequences of items, overlooking the collaborative relationships among them.…

Information Retrieval · Computer Science 2023-08-15 Sijia Liu , Jiahao Liu , Hansu Gu , Dongsheng Li , Tun Lu , Peng Zhang , Ning Gu

Recent recommender system advancements have focused on developing sequence-based and graph-based approaches. Both approaches proved useful in modeling intricate relationships within behavioral data, leading to promising outcomes in…

Information Retrieval · Computer Science 2024-03-18 Vladimir Baikalov , Evgeny Frolov

Contrastive learning has been effectively utilized to enhance the training of sequential recommendation models by leveraging informative self-supervised signals. Most existing approaches generate augmented views of the same user sequence…

Information Retrieval · Computer Science 2025-02-06 Ziqiang Cui , Haolun Wu , Bowei He , Ji Cheng , Chen Ma

Modeling user-item interaction patterns is an important task for personalized recommendations. Many recommender systems are based on the assumption that there exists a linear relationship between users and items while neglecting the…

Information Retrieval · Computer Science 2018-07-12 Shuai Zhang , Lina Yao , Aixin Sun , Sen Wang , Guodong Long , Manqing Dong

Self-attention models have achieved state-of-the-art performance in sequential recommender systems by capturing the sequential dependencies among user-item interactions. However, they rely on positional embeddings to retain the sequential…

Information Retrieval · Computer Science 2022-04-26 Muyang Li , Xiangyu Zhao , Chuan Lyu , Minghao Zhao , Runze Wu , Ruocheng Guo

Most existing contrastive learning-based sequential recommendation (SR) methods rely on random operations (e.g., crop, reorder, and substitute) to generate augmented sequences. These methods often struggle to create positive sample pairs…

Information Retrieval · Computer Science 2025-03-27 Wei Wang , Yujie Lin , Jianli Zhao , Moyan Zhang , Pengjie Ren , Xianye Ben , Yujun Li

Recently, sequential recommendation has emerged as a widely studied topic. Existing researches mainly design effective neural architectures to model user behavior sequences based on item IDs. However, this kind of approach highly relies on…

Information Retrieval · Computer Science 2022-06-07 Shanlei Mu , Yupeng Hou , Wayne Xin Zhao , Yaliang Li , Bolin Ding

Recently, significant progress has been made in sequential recommendation with deep learning. Existing neural sequential recommendation models usually rely on the item prediction loss to learn model parameters or data representations.…

Information Retrieval · Computer Science 2020-08-19 Kun Zhou , Hui Wang , Wayne Xin Zhao , Yutao Zhu , Sirui Wang , Fuzheng Zhang , Zhongyuan Wang , Ji-Rong Wen