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Related papers: Recommender Transformers with Behavior Pathways

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Transformer-based sequential recommendation (SR) has been booming in recent years, with the self-attention mechanism as its key component. Self-attention has been widely believed to be able to effectively select those informative and…

Information Retrieval · Computer Science 2024-03-19 Peilin Zhou , Qichen Ye , Yueqi Xie , Jingqi Gao , Shoujin Wang , Jae Boum Kim , Chenyu You , Sunghun Kim

Sequential recommendation aims to model dynamic user behavior from historical interactions. Existing methods rely on either explicit item IDs or general textual features for sequence modeling to understand user preferences. While promising,…

Information Retrieval · Computer Science 2023-05-30 Jiacheng Li , Ming Wang , Jin Li , Jinmiao Fu , Xin Shen , Jingbo Shang , Julian McAuley

Sequential recommendation (SR) is to accurately recommend a list of items for a user based on her current accessed ones. While new-coming users continuously arrive in the real world, one crucial task is to have inductive SR that can produce…

Information Retrieval · Computer Science 2021-02-01 Cheng Hsu , Cheng-Te Li

Reinforcement Learning-based Recommender Systems (RLRS) have shown promise across a spectrum of applications, from e-commerce platforms to streaming services. Yet, they grapple with challenges, notably in crafting reward functions and…

Information Retrieval · Computer Science 2024-03-27 Siyu Wang , Xiaocong Chen , Lina Yao

User interests are usually dynamic in the real world, which poses both theoretical and practical challenges for learning accurate preferences from rich behavior data. Among existing user behavior modeling solutions, attention networks are…

Information Retrieval · Computer Science 2022-04-14 Chao Chen , Haoyu Geng , Nianzu Yang , Junchi Yan , Daiyue Xue , Jianping Yu , Xiaokang Yang

Sequential recommender systems aims to predict the users' next interaction through user behavior modeling with various operators like RNNs and attentions. However, existing models generally fail to achieve the three golden principles for…

Information Retrieval · Computer Science 2024-09-09 Chengkai Liu , Jianghao Lin , Hanzhou Liu , Jianling Wang , James Caverlee

Transformer-based sequential recommendation (SR) models excel at modeling long-range dependencies in user behavior via self-attention. However, updating them with continuously arriving behavior sequences incurs high computational costs or…

Information Retrieval · Computer Science 2025-11-25 Gyuseok Lee , Hyunsik Yoo , Junyoung Hwang , SeongKu Kang , Hwanjo Yu

Sequential recommendation (SR) models based on Transformers have achieved remarkable successes. The self-attention mechanism of Transformers for computer vision and natural language processing suffers from the oversmoothing problem, i.e.,…

Machine Learning · Computer Science 2024-02-20 Yehjin Shin , Jeongwhan Choi , Hyowon Wi , Noseong Park

Recent advances in path-based explainable recommendation systems have attracted increasing attention thanks to the rich information provided by knowledge graphs. Most existing explainable recommendations only utilize static knowledge graphs…

Information Retrieval · Computer Science 2021-11-25 Yicong Li , Hongxu Chen , Yile Li , Lin Li , Philip S. Yu , Guandong Xu

Click-through rate (CTR) prediction plays a key role in modern online personalization services. In practice, it is necessary to capture user's drifting interests by modeling sequential user behaviors to build an accurate CTR prediction…

Information Retrieval · Computer Science 2020-05-29 Jiarui Qin , Weinan Zhang , Xin Wu , Jiarui Jin , Yuchen Fang , Yong Yu

Deep learning based methods have been widely used in industrial recommendation systems (RSs). Previous works adopt an Embedding&MLP paradigm: raw features are embedded into low-dimensional vectors, which are then fed on to MLP for final…

Information Retrieval · Computer Science 2019-05-17 Qiwei Chen , Huan Zhao , Wei Li , Pipei Huang , Wenwu Ou

Sequential recommendation (SR) aims to predict the next purchasing item according to users' dynamic preference learned from their historical user-item interactions. To improve the performance of recommendation, learning dynamic…

Information Retrieval · Computer Science 2024-12-31 Chuan He , Yongchao Liu , Qiang Li , Weiqiang Wang , Xin Fu , Xinyi Fu , Chuntao Hong , Xinwei Yao

In the landscape of contemporary recommender systems, user-item interactions are inherently dynamic and sequential, often characterized by various behaviors. Prior research has explored the modeling of user preferences through sequential…

Information Retrieval · Computer Science 2026-02-12 Jingsong Su , Xuetao Ma , Mingming Li , Qiannan Zhu , Yu Guo

Sequential recommendation has become increasingly essential in various online services. It aims to model the dynamic preferences of users from their historical interactions and predict their next items. The accumulated user behavior records…

Information Retrieval · Computer Science 2021-02-19 Qiaoyu Tan , Jianwei Zhang , Ninghao Liu , Xiao Huang , Hongxia Yang , Jingren Zhou , Xia Hu

Human behavioral patterns and consumption paradigms have emerged as pivotal determinants in environmental degradation and climate change, with quotidian decisions pertaining to transportation, energy utilization, and resource consumption…

Information Retrieval · Computer Science 2024-11-13 Xin Zhou , Lei Zhang , Honglei Zhang , Yixin Zhang , Xiaoxiong Zhang , Jie Zhang , Zhiqi Shen

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

Modeling long-term user behavior trajectories is essential for understanding evolving preferences and enabling proactive recommendations. However, most sequential recommenders focus on next-item prediction, overlooking dependencies across…

Information Retrieval · Computer Science 2026-01-27 Chengkai Huang , Xiaodi Chen , Hongtao Huang , Quan Z. Sheng , Lina Yao

Sequential recommender systems aim to predict a user's future interests by extracting temporal patterns from their behavioral history. Existing approaches typically employ transformer-based architectures to process long sequences of user…

Information Retrieval · Computer Science 2026-02-24 Adamya Shyam , Venkateswara Rao Kagita , Bharti Rana , Vikas Kumar

Recurrent Neural Networks have long been the dominating choice for sequence modeling. However, it severely suffers from two issues: impotent in capturing very long-term dependencies and unable to parallelize the sequential computation…

Machine Learning · Computer Science 2019-07-15 Zhiwei Wang , Yao Ma , Zitao Liu , Jiliang Tang

The emerging meta- and multi-verse landscape is yet another step towards the more prevalent use of already ubiquitous online markets. In such markets, recommender systems play critical roles by offering items of interest to the users,…

Information Retrieval · Computer Science 2022-09-28 Ehsan Gholami , Mohammad Motamedi , Ashwin Aravindakshan