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Large Language Models (LLMs) empower recommendation systems through their advanced reasoning and planning capabilities. However, the dynamic nature of user interests and content poses a significant challenge: While initial fine-tuning…

Information Retrieval · Computer Science 2025-10-24 Changping Meng , Hongyi Ling , Jianling Wang , Yifan Liu , Shuzhou Zhang , Dapeng Hong , Mingyan Gao , Onkar Dalal , Ed Chi , Lichan Hong , Haokai Lu , Ningren Han

Interactive recommendation is a typical information-seeking task that allows users to interactively express their needs through natural language and obtain personalized recommendations. Large language model-powered (LLM-powered) agents have…

Computation and Language · Computer Science 2025-07-01 Haocheng Yu , Yaxiong Wu , Hao Wang , Wei Guo , Yong Liu , Yawen Li , Yuyang Ye , Junping Du , Enhong Chen

Sequential Recommendation (SR) predicts users next interactions by modeling the temporal order of their historical behaviors. Existing approaches, including traditional sequential models and generative recommenders, achieve strong…

Information Retrieval · Computer Science 2026-03-06 Sirui Huang , Jing Long , Qian Li , Guandong Xu , Qing Li

Recent years have seen a significant amount of interests in Sequential Recommendation (SR), which aims to understand and model the sequential user behaviors and the interactions between users and items over time. Surprisingly, despite the…

Information Retrieval · Computer Science 2022-02-02 Dadong Miao , Yanan Wang , Guoyu Tang , Lin Liu , Sulong Xu , Bo Long , Yun Xiao , Lingfei Wu , Yunjiang Jiang

Sequential recommendation predicts users' next behaviors with their historical interactions. Recommending with longer sequences improves recommendation accuracy and increases the degree of personalization. As sequences get longer, existing…

Information Retrieval · Computer Science 2022-09-05 Qianying Lin , Wen-Ji Zhou , Yanshi Wang , Qing Da , Qing-Guo Chen , Bing Wang

Modeling long sequences of user behaviors has emerged as a critical frontier in generative recommendation. However, existing solutions face a dilemma: linear attention mechanisms achieve efficiency at the cost of retrieval precision due to…

Information Retrieval · Computer Science 2026-02-23 Lei Xin , Yuhao Zheng , Ke Cheng , Changjiang Jiang , Zifan Zhang , Fanhu Zeng

Strategic recommendations (SR) refer to the problem where an intelligent agent observes the sequential behaviors and activities of users and decides when and how to interact with them to optimize some long-term objectives, both for the user…

Machine Learning · Computer Science 2020-09-17 Georgios Theocharous , Yash Chandak , Philip S. Thomas , Frits de Nijs

Recent methods for long-tailed instance segmentation still struggle on rare object classes with few training data. We propose a simple yet effective method, Feature Augmentation and Sampling Adaptation (FASA), that addresses the data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Yuhang Zang , Chen Huang , Chen Change Loy

The aim of session-based recommendation is to predict the users' next clicked item, which is a challenging task due to the inherent uncertainty in user behaviors and anonymous implicit feedback information. A powerful session-based…

Information Retrieval · Computer Science 2020-07-27 Jing Zhu , Yanan Xu , Yanmin Zhu

Recommender systems are indispensable in the realm of online applications, and sequential recommendation has enjoyed considerable prevalence due to its capacity to encapsulate the dynamic shifts in user interests. However, previous…

Information Retrieval · Computer Science 2024-04-16 Junzhe Jiang , Shang Qu , Mingyue Cheng , Qi Liu , Zhiding Liu , Hao Zhang , Rujiao Zhang , Kai Zhang , Rui Li , Jiatong Li , Min Gao

Continuous efforts are being made to advance anomaly detection in various manufacturing processes to increase the productivity and safety of industrial sites. Deep learning replaced rule-based methods and recently emerged as a promising…

Machine Learning · Computer Science 2024-06-28 Kukjin Choi , Jihun Yi , Jisoo Mok , Sungroh Yoon

Personalized learning is a student-centered educational approach that adapts content, pace, and assessment to meet each learner's unique needs. As the key technique to implement the personalized learning, learning path recommendation…

Information Retrieval · Computer Science 2025-07-09 Afsana Nasrin , Lijun Qian , Pamela Obiomon , Xishuang Dong

User behavior modeling -- which aims to extract user interests from behavioral data -- has shown great power in Click-through rate (CTR) prediction, a key component in recommendation systems. Recently, attention-based algorithms have become…

Information Retrieval · Computer Science 2024-10-22 Han Xu , Taoxing Pan , Zhiqiang Liu , Xiaoxiao Xu , Lantao Hu

In recommendation systems, utilizing the user interaction history as sequential information has resulted in great performance improvement. However, in many online services, user interactions are commonly grouped by sessions that presumably…

Information Retrieval · Computer Science 2022-05-23 Jinseok Seol , Youngrok Ko , Sang-goo Lee

Data Augmentation (DA) -- enriching training data by adding synthetic samples -- is a technique widely adopted in Computer Vision (CV) and Natural Language Processing (NLP) tasks to improve models performance. Yet, DA has struggled to gain…

Machine Learning · Computer Science 2024-01-24 Chao Wang , Alessandro Finamore , Pietro Michiardi , Massimo Gallo , Dario Rossi

Recommender systems (RS) commonly retrieve potential candidate items for users from a massive number of items by modeling user interests based on historical interactions. However, historical interaction data is highly sparse, and most items…

Information Retrieval · Computer Science 2023-01-18 Ziwei Fan , Alice Wang , Zahra Nazari

Sequential recommender systems have become increasingly important in real-world applications that model user behavior sequences to predict their preferences. However, existing sequential recommendation methods predominantly rely on…

Information Retrieval · Computer Science 2025-06-05 Enze Liu , Bowen Zheng , Xiaolei Wang , Wayne Xin Zhao , Jinpeng Wang , Sheng Chen , Ji-Rong Wen

Recent advances in multimodal recommendation enable richer item understanding, while modeling users' multi-scale interests across temporal horizons has attracted growing attention. However, effectively exploiting multimodal item sequences…

Information Retrieval · Computer Science 2025-08-14 Yongrui Fu , Jian Liu , Tao Li , Zonggang Wu , Shouke Qin , Hanmeng Liu

Sequential Recommendation aims to predict the next item based on user behaviour. Recently, Self-Supervised Learning (SSL) has been proposed to improve recommendation performance. However, most of existing SSL methods use a uniform data…

Information Retrieval · Computer Science 2022-04-22 Yongjing Hao , Pengpeng Zhao , Xuefeng Xian , Guanfeng Liu , Deqing Wang , Lei Zhao , Yanchi Liu , Victor S. Sheng

Data augmentation (DA) techniques aim to increase data variability, and thus train deep networks with better generalisation. The pioneering AutoAugment automated the search for optimal DA policies with reinforcement learning. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Yonggang Li , Guosheng Hu , Yongtao Wang , Timothy Hospedales , Neil M. Robertson , Yongxin Yang