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Data augmentation has become a promising method of mitigating data sparsity in sequential recommendation. Existing methods generate new yet effective data during model training to improve performance. However, deploying them requires…

Information Retrieval · Computer Science 2025-05-01 Yizhou Dang , Yuting Liu , Enneng Yang , Minhan Huang , Guibing Guo , Jianzhe Zhao , Xingwei Wang

Sequential recommender systems aim to model users' evolving preferences by capturing patterns in their historical interactions. Recent advances in this area have leveraged deep neural networks and attention mechanisms to effectively…

Machine Learning · Computer Science 2025-06-17 Siqi Liang , Yudi Zhang , Yubo Wang

In sequential recommendation (SR), neural models have been actively explored due to their remarkable performance, but they suffer from inefficiency inherent to their complexity. On the other hand, linear SR models exhibit high efficiency…

Information Retrieval · Computer Science 2024-12-11 Seongmin Park , Mincheol Yoon , Minjin Choi , Jongwuk Lee

Sequential recommender systems (SRS) aim to predict users' subsequent choices based on their historical interactions and have found applications in diverse fields such as e-commerce and social media. However, in real-world systems, most…

Information Retrieval · Computer Science 2024-11-04 Qidong Liu , Xian Wu , Yejing Wang , Zijian Zhang , Feng Tian , Yefeng Zheng , Xiangyu Zhao

The chronological order of user-item interactions can reveal time-evolving and sequential user behaviors in many recommender systems. The items that users will interact with may depend on the items accessed in the past. However, the…

Information Retrieval · Computer Science 2019-12-30 Chen Ma , Liheng Ma , Yingxue Zhang , Jianing Sun , Xue Liu , Mark Coates

Sequential recommendation systems model dynamic preferences of users based on their historical interactions with platforms. Despite recent progress, modeling short-term and long-term behavior of users in such systems is nontrivial and…

Information Retrieval · Computer Science 2021-07-07 Mehrnaz Amjadi , Seyed Danial Mohseni Taheri , Theja Tulabandhula

In order to model the evolution of user preference, we should learn user/item embeddings based on time-ordered item purchasing sequences, which is defined as Sequential Recommendation (SR) problem. Existing methods leverage sequential…

Information Retrieval · Computer Science 2021-08-24 Ziwei Fan , Zhiwei Liu , Jiawei Zhang , Yun Xiong , Lei Zheng , Philip S. Yu

Recently, deep neural networks are widely applied in recommender systems for their effectiveness in capturing/modeling users' preferences. Especially, the attention mechanism in deep learning enables recommender systems to incorporate…

Information Retrieval · Computer Science 2021-03-17 Jianqing Zhang , Dongjing Wang , Dongjin Yu

Personalized content marketing has become a crucial strategy for digital platforms, aiming to deliver tailored advertisements and recommendations that match user preferences. Traditional recommendation systems often suffer from two…

Information Retrieval · Computer Science 2025-09-23 Ruihan Luo , Xuanjing Chen , Ziyang Ding

Sequential recommendation aims to predict users' next interaction with items based on their past engagement sequence. Recently, the advent of Large Language Models (LLMs) has sparked interest in leveraging them for sequential…

Information Retrieval · Computer Science 2024-05-07 Jiayi Liao , Sihang Li , Zhengyi Yang , Jiancan Wu , Yancheng Yuan , Xiang Wang , Xiangnan He

Sequential recommendation aims to predict the next item a user is likely to prefer based on their sequential interaction history. Recently, text-based sequential recommendation has emerged as a promising paradigm that uses pre-trained…

Information Retrieval · Computer Science 2024-09-05 Hyunsoo Kim , Junyoung Kim , Minjin Choi , Sunkyung Lee , Jongwuk Lee

Sequential recommendation aims to choose the most suitable items for a user at a specific timestamp given historical behaviors. Existing methods usually model the user behavior sequence based on the transition-based methods like Markov…

Information Retrieval · Computer Science 2022-07-11 Zijian Li , Ruichu Cai , Fengzhu Wu , Sili Zhang , Hao Gu , Yuexing Hao , Yuguang

Retrieval models aim at selecting a small set of item candidates which match the preference of a given user. They play a vital role in large-scale recommender systems since subsequent models such as rankers highly depend on the quality of…

Information Retrieval · Computer Science 2024-02-01 Lei Li , Jianxun Lian , Xiao Zhou , Xing Xie

Different from most conventional recommendation problems, sequential recommendation focuses on learning users' preferences by exploiting the internal order and dependency among the interacted items, which has received significant attention…

Information Retrieval · Computer Science 2025-03-14 Liwei Pan , Weike Pan , Meiyan Wei , Hongzhi Yin , Zhong Ming

To offer accurate and diverse recommendation services, recent methods use auxiliary information to foster the learning process of user and item representations. Many SOTA methods fuse different sources of information (user, item, knowledge…

Information Retrieval · Computer Science 2022-11-14 Haolun Wu , Yingxue Zhang , Chen Ma , Wei Guo , Ruiming Tang , Xue Liu , Mark Coates

Data augmentation has been widely employed to improve the generalization of deep neural networks. Most existing methods apply fixed or random transformations. However, we find that sample difficulty evolves along with the model's…

Machine Learning · Computer Science 2025-10-02 Suorong Yang , Jie Zong , Lihang Wang , Ziheng Qin , Hai Gan , Pengfei Zhou , Kai Wang , Yang You , Furao Shen

Recommender systems are one of the most successful applications of machine learning and data science. They are successful in a wide variety of application domains, including e-commerce, media streaming content, email marketing, and…

Information Retrieval · Computer Science 2023-04-04 Juan Pablo Equihua , Maged Ali , Henrik Nordmark , Berthold Lausen

Sequential recommendation (SR) is traditionally formulated as next-item prediction over a chronological sequence of interacted items. Although recent generative recommendation (GR) methods introduce new machinery, such as semantic IDs,…

Information Retrieval · Computer Science 2026-05-19 Yingyi Zhang , Junyi Li , Yejing Wang , Wenlin Zhang , Xiaowei Qian , Sheng Zhang , Yue Feng , Yichao Wang , Yong Liu , Xiangyu Zhao , Xianneng Li

Modeling time-evolving preferences of users with their sequential item interactions, has attracted increasing attention in many online applications. Hence, sequential recommender systems have been developed to learn the dynamic user…

Information Retrieval · Computer Science 2022-06-07 Lianghao Xia , Chao Huang , Yong Xu , Jian Pei

Recommendation systems aim to assist users to discover most preferred contents from an ever-growing corpus of items. Although recommenders have been greatly improved by deep learning, they still faces several challenges: (1) Behaviors are…

Information Retrieval · Computer Science 2020-11-19 Wendi Ji , Keqiang Wang , Xiaoling Wang , TingWei Chen , Alexandra Cristea