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Sequential recommendation systems predict the next interaction item based on users' past interactions, aligning recommendations with individual preferences. Leveraging the strengths of Large Language Models (LLMs) in knowledge comprehension…

Information Retrieval · Computer Science 2025-01-22 Xiaoyu Kong , Jiancan Wu , An Zhang , Leheng Sheng , Hui Lin , Xiang Wang , Xiangnan He

Sequential recommendation (SR) systems excel at capturing users' dynamic preferences by leveraging their interaction histories. Most existing SR systems assign a single embedding vector to each item to represent its features, adopting…

Information Retrieval · Computer Science 2026-01-21 Mingrui Liu , Sixiao Zhang , Cheng Long

Cross-Domain Sequential Recommendation (CDSR) improves recommendation performance by utilizing information from multiple domains, which contrasts with Single-Domain Sequential Recommendation (SDSR) that relies on a historical interaction…

Information Retrieval · Computer Science 2024-07-25 Chung Park , Taesan Kim , Hyungjun Yoon , Junui Hong , Yelim Yu , Mincheol Cho , Minsung Choi , Jaegul Choo

This study investigates the task of dwell time prediction and proposes a Transformer framework based on interaction behavior modeling. The method first represents user interaction sequences on the interface by integrating dwell duration,…

Human-Computer Interaction · Computer Science 2025-12-22 Rui Liu , Runsheng Zhang , Shixiao Wang

E-commerce platforms generate vast amounts of customer behavior data, such as clicks and purchases, from millions of unique users every day. However, effectively using this data for behavior understanding tasks is challenging because there…

Machine Learning · Computer Science 2022-02-16 Tianyu Li , Ali Cevahir , Derek Cho , Hao Gong , DuyKhuong Nguyen , Bjorn Stenger

Although a variety of methods have been proposed for sequential recommendation, it is still far from being well solved partly due to two challenges. First, the existing methods often lack the simultaneous consideration of the global…

Information Retrieval · Computer Science 2022-08-10 Lihua Chen , Ning Yang , Philip S Yu

Decision-making for urban autonomous driving is challenging due to the stochastic nature of interactive traffic participants and the complexity of road structures. Although reinforcement learning (RL)-based decision-making scheme is…

Machine Learning · Computer Science 2023-08-28 Haochen Liu , Zhiyu Huang , Xiaoyu Mo , Chen Lv

Multi-behavior recommendation faces a critical challenge in practice: auxiliary behaviors (e.g., clicks, carts) are often noisy, weakly correlated, or semantically misaligned with the target behavior (e.g., purchase), which leads to biased…

Information Retrieval · Computer Science 2026-01-22 Miaomiao Cai , Zhijie Zhang , Junfeng Fang , Zhiyong Cheng , Xiang Wang , Meng Wang

The emerging collaborative information-based knowledge tracing (KT) has been a promising way to enhance modeling of learners' knowledge states. The core idea is to extract the collaborative information from interaction sequences of other…

Artificial Intelligence · Computer Science 2026-05-12 Yuhao Jia , Duantengchuan Li , Jinsong Chen , Zhongjie Mao , Mingwen Tong , Yue Li , Xiaoguang Wang

The task of the session-based recommendation is to predict the next interaction of the user based on the anonymized user's behavior pattern. And personalized version of this system is a promising research field due to its availability to…

Information Retrieval · Computer Science 2023-06-06 Jisoo Cha , Haemin Jeong , Wooju Kim

The motivations of users to make interactions can be divided into static preference and dynamic interest. To accurately model user representations over time, recent studies in sequential recommendation utilize information propagation and…

Information Retrieval · Computer Science 2023-09-19 Qingtian Bian , Jiaxing Xu , Hui Fang , Yiping Ke

Social connections play a vital role in improving the performance of recommendation systems (RS). However, incorporating social information into RS is challenging. Most existing models usually consider social influences in a given session,…

Information Retrieval · Computer Science 2020-08-12 Liqiang Song , Ye Bi , Mengqiu Yao , Zhenyu Wu , Jianming Wang , Jing Xiao

In recommender systems, multi-behavior methods have demonstrated their effectiveness in mitigating issues like data sparsity, a common challenge in traditional single-behavior recommendation approaches. These methods typically infer user…

Information Retrieval · Computer Science 2024-04-30 Mingshi Yan , Fan Liu , Jing Sun , Fuming Sun , Zhiyong Cheng , Yahong Han

Sequential Recommendation aims to recommend items that a target user will interact with in the near future based on the historically interacted items. While modeling temporal dynamics is crucial for sequential recommendation, most of the…

Information Retrieval · Computer Science 2021-09-27 Zeyuan Chen , Wei Zhang , Junchi Yan , Gang Wang , Jianyong Wang

Sequential recommendation models have been widely adopted for modeling user behavior. Existing approaches typically construct user interaction sequences by sorting items according to timestamps and then model user preferences from…

Information Retrieval · Computer Science 2026-04-16 Haolin Zhang , Longtao Xiao , Guohao Cai , Ruixuan Li , Xiu Li

Sequential recommendation systems aim to capture users' evolving preferences from their interaction histories. Recent reasoningenhanced methods have shown promise by introducing deliberate, chain-of-thought-like processes with intermediate…

Information Retrieval · Computer Science 2025-12-17 Yifan Shao , Peilin Zhou

Session-based recommendation aims to predict user's next behavior from current session and previous anonymous sessions. Capturing long-range dependencies between items is a vital challenge in session-based recommendation. A novel approach…

Information Retrieval · Computer Science 2021-02-04 Jun Fang

The objective of the panoramic activity recognition task is to identify behaviors at various granularities within crowded and complex environments, encompassing individual actions, social group activities, and global activities. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Wenqing Gan , Yan Sun , Feiran Liu , Xiangfeng Luo

The sequential recommender (SR) system is a crucial component of modern recommender systems, as it aims to capture the evolving preferences of users. Significant efforts have been made to enhance the capabilities of SR systems. These…

Information Retrieval · Computer Science 2024-09-12 Mingjia Yin , Hao Wang , Wei Guo , Yong Liu , Suojuan Zhang , Sirui Zhao , Defu Lian , Enhong Chen

Sequential recommendation aims to estimate the dynamic user preferences and sequential dependencies among historical user behaviors. Although Transformer-based models have proven to be effective for sequential recommendation, they suffer…

Information Retrieval · Computer Science 2024-07-02 Chengkai Liu , Jianghao Lin , Jianling Wang , Hanzhou Liu , James Caverlee