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Sequential recommender systems identify user preferences from their past interactions to predict subsequent items optimally. Although traditional deep-learning-based models and modern transformer-based models in previous studies capture…

Information Retrieval · Computer Science 2024-02-20 Hansol Jung , Hyunwoo Seo , Chiehyeon Lim

Intent-based recommender systems have garnered significant attention for uncovering latent fine-grained preferences. Intents, as underlying factors of interactions, are crucial for improving recommendation interpretability. Most methods…

Information Retrieval · Computer Science 2025-04-10 Yu Wang , Lei Sang , Yi Zhang , Yiwen Zhang

Recommendation systems have become indispensable in various online platforms, from e-commerce to streaming services. A fundamental challenge in this domain is learning effective embeddings from sparse user-item interactions. While…

Information Retrieval · Computer Science 2025-10-13 Yansong Wang , Qihui Lin , Junjie Huang , Tao Jia

Sequential Recommendationdescribes a set of techniques to model dynamic user behavior in order to predict future interactions in sequential user data. At their core, such approaches model transition probabilities between items in a…

Information Retrieval · Computer Science 2021-08-17 Zhiwei Liu , Yongjun Chen , Jia Li , Philip S. Yu , Julian McAuley , Caiming Xiong

Attribute-aware sequential recommendation entails predicting the next item a user will interact with based on a chronologically ordered history of past interactions, enriched with item attributes. Existing methods typically leverage…

Information Retrieval · Computer Science 2026-05-08 Shereen Elsayed , Ngoc Son Le , Ahmed Rashed , Lars Schmidt-Thieme

The sequential recommendation aims to recommend items, such as products, songs and places, to users based on the sequential patterns of their historical records. Most existing sequential recommender models consider the next item prediction…

Information Retrieval · Computer Science 2021-09-14 Ruihong Qiu , Zi Huang , Hongzhi Yin

Recent advancements in sequential modeling applied to Electronic Health Records (EHR) have greatly influenced prescription recommender systems. While the recent literature on drug recommendation has shown promising performance, the study of…

Machine Learning · Computer Science 2024-08-21 Arya Hadizadeh Moghaddam , Mohsen Nayebi Kerdabadi , Mei Liu , Zijun Yao

Micro-video recommender systems suffer from the ubiquitous noises in users' behaviors, which might render the learned user representation indiscriminating, and lead to trivial recommendations (e.g., popular items) or even weird ones that…

Information Retrieval · Computer Science 2022-08-18 Shengyu Zhang , Bofang Li , Dong Yao , Fuli Feng , Jieming Zhu , Wenyan Fan , Zhou Zhao , Xiaofei He , Tat-seng Chua , Fei Wu

Attention-based sequential recommendation methods have shown promise in accurately capturing users' evolving interests from their past interactions. Recent research has also explored the integration of reinforcement learning (RL) into these…

Machine Learning · Computer Science 2024-04-19 Melissa Mozifian , Tristan Sylvain , Dave Evans , Lili Meng

Sequential recommendation methods are increasingly important in cutting-edge recommender systems. Through leveraging historical records, the systems can capture user interests and perform recommendations accordingly. State-of-the-art…

Information Retrieval · Computer Science 2023-08-10 Chong Liu , Xiaoyang Liu , Rongqin Zheng , Lixin Zhang , Xiaobo Liang , Juntao Li , Lijun Wu , Min Zhang , Leyu Lin

Learning user representations based on historical behaviors lies at the core of modern recommender systems. Recent advances in sequential recommenders have convincingly demonstrated high capability in extracting effective user…

Information Retrieval · Computer Science 2021-09-14 Shengyu Zhang , Dong Yao , Zhou Zhao , Tat-seng Chua , Fei Wu

Session-based recommendation aims to predict intents of anonymous users based on limited behaviors. With the ability in alleviating data sparsity, contrastive learning is prevailing in the task. However, we spot that existing contrastive…

Information Retrieval · Computer Science 2025-06-06 Xiaokun Zhang , Bo Xu , Fenglong Ma , Zhizheng Wang , Liang Yang , Hongfei Lin

Intent learning, which aims to learn users' intents for user understanding and item recommendation, has become a hot research spot in recent years. However, existing methods suffer from complex and cumbersome alternating optimization,…

Information Retrieval · Computer Science 2024-11-12 Yue Liu , Shihao Zhu , Jun Xia , Yingwei Ma , Jian Ma , Xinwang Liu , Shengju Yu , Kejun Zhang , Wenliang Zhong

This paper presents a solution to the challenges faced by contrastive learning in sequential recommendation systems. In particular, it addresses the issue of false negative, which limits the effectiveness of recommendation algorithms. By…

Information Retrieval · Computer Science 2023-07-12 Jaeheyoung Jeon , Jung Hyun Ryu , Jewoong Cho , Myungjoo Kang

The effectiveness of contrastive learning in sequential recommendation hinges on the construction of contrastive views, which ideally should be both semantically consistent and diverse. However, most existing CL-based methods rely on…

Information Retrieval · Computer Science 2026-05-13 Wei Wang

Sequential recommendation aims to recommend the next item that matches a user's interest, based on the sequence of items he/she interacted with before. Scrutinizing previous studies, we can summarize a common learning-to-classify paradigm…

Information Retrieval · Computer Science 2023-11-01 Zhengyi Yang , Jiancan Wu , Zhicai Wang , Xiang Wang , Yancheng Yuan , Xiangnan He

Contrastive learning with Transformer-based sequence encoder has gained predominance for sequential recommendation. It maximizes the agreements between paired sequence augmentations that share similar semantics. However, existing…

Information Retrieval · Computer Science 2022-08-18 Hanwen Du , Hui Shi , Pengpeng Zhao , Deqing Wang , Victor S. Sheng , Yanchi Liu , Guanfeng Liu , Lei Zhao

Sequential recommendation is a task to capture hidden user preferences from historical user item interaction data and recommend next items for the user. Significant progress has been made in this domain by leveraging classification based…

Information Retrieval · Computer Science 2024-08-30 Panfeng Cao , Pietro Lio

Multi-interest learning method for sequential recommendation aims to predict the next item according to user multi-faceted interests given the user historical interactions. Existing methods mainly consist of a multi-interest extractor that…

Information Retrieval · Computer Science 2024-04-30 Xue Dong , Xuemeng Song , Tongliang Liu , Weili Guan

Sequential recommendation (SR) models often capture user preferences based on the historically interacted item IDs, which usually obtain sub-optimal performance when the interaction history is limited. Content-based sequential…

Information Retrieval · Computer Science 2025-10-20 Donglin Zhou , Weike Pan , Zhong Ming