English
Related papers

Related papers: User Long-Term Multi-Interest Retrieval Model for …

200 papers

Leveraging Large Language Models (LLMs) to harness user-item interaction histories for item generation has emerged as a promising paradigm in generative recommendation. However, the limited context window of LLMs often restricts them to…

Information Retrieval · Computer Science 2025-04-30 Chengbing Wang , Yang Zhang , Fengbin Zhu , Jizhi Zhang , Tianhao Shi , Fuli Feng

As e-commerce platforms expand their product catalogs, accurately recommending long-tail items becomes increasingly important for enhancing both user experience and platform revenue. A key challenge is the long-tail problem, where extreme…

Information Retrieval · Computer Science 2025-06-10 Qingyi Lu , Haotian Lyu , Jiayun Zheng , Yang Wang , Li Zhang , Chengrui Zhou

Sequential recommendation plays an increasingly important role in many e-commerce services such as display advertisement and online shopping. With the rapid development of these services in the last two decades, users have accumulated a…

Information Retrieval · Computer Science 2021-06-01 Yongji Wu , Lu Yin , Defu Lian , Mingyang Yin , Neil Zhenqiang Gong , Jingren Zhou , Hongxia Yang

CTR (Click-Through Rate) prediction, crucial for recommender systems and online advertising, etc., has been confirmed to benefit from modeling long-term user behaviors. Nonetheless, the vast number of behaviors and complexity of noise…

Information Retrieval · Computer Science 2025-09-22 Weijiang Lai , Beihong Jin , Yapeng Zhang , Yiyuan Zheng , Rui Zhao , Jian Dong , Jun Lei , Xingxing Wang

With the rapid development of E-commerce and the increase in the quantity of items, users are presented with more items hence their interests broaden. It is increasingly difficult to model user intentions with traditional methods, which…

Information Retrieval · Computer Science 2021-03-24 Junmei Hao , Jingcheng Shi , Qing Da , Anxiang Zeng , Yujie Dun , Xueming Qian , Qianying Lin

Long-sequence modeling has become an indispensable frontier in recommendation systems for capturing users' long-term preferences. However, user behaviors within advertising domains are inherently sparse, posing a significant barrier to…

Predicting a user's next search query from recent interaction behaviors is a critical problem in modern e-commerce systems, particularly in scenarios where user intent evolves rapidly. Large Language Models (LLMs) offer strong semantic…

Information Retrieval · Computer Science 2026-05-07 Bin Zhang , Weipeng Huang , Dimin Wang , Jialin Zhu , Yuning Jiang , Zhaode Wang , Chengfei Lv , Jian Wang , Qichao Ma , Li Chen , Junqing Wu , Yipeng Yu

Lifelong user interest modeling is crucial for industrial recommender systems, yet existing approaches rely predominantly on ID-based features, suffering from poor generalization on long-tail items and limited semantic expressiveness. While…

Information Retrieval · Computer Science 2025-12-09 Bin Wu , Feifan Yang , Zhangming Chan , Yu-Ran Gu , Jiawei Feng , Chao Yi , Xiang-Rong Sheng , Han Zhu , Jian Xu , Mang Ye , Bo Zheng

Industrial recommender systems increasingly leverage lifelong user behavior histories and rich multi-modal content to capture evolving user preferences. However, effectively integrating multi-modal features into lifelong interest modeling…

Information Retrieval · Computer Science 2026-05-26 Yaqian Zhang , Ruyi Yu , Tianyi Li , Bohan Liu , Maoquan Ye , Ke Wang , Shifeng Wen , Junwei Pan , Lijie Wang , Qi Zhou , Yeshou Cai , Chengguo Yin , Lifeng Wang , Hui Li , Lei Xiao , Haijie Gu

Industrial recommendation systems are typically composed of multiple stages, including retrieval, ranking, and blending. The retrieval stage plays a critical role in generating a high-recall set of candidate items that covers a wide range…

Information Retrieval · Computer Science 2025-07-01 Zhibo Fan , Hongtao Lin , Haoyu Chen , Bowen Deng , Hedi Xia , Yuke Yan , James Li

Accurately modeling user preferences is vital not only for improving recommendation performance but also for enhancing transparency in recommender systems. Conventional user profiling methods, such as averaging item embeddings, often…

Information Retrieval · Computer Science 2025-05-05 Milad Sabouri , Masoud Mansoury , Kun Lin , Bamshad Mobasher

Deep learning-based sequential recommender systems have recently attracted increasing attention from both academia and industry. Most of industrial Embedding-Based Retrieval (EBR) system for recommendation share the similar ideas with…

Information Retrieval · Computer Science 2022-04-01 Fuyu Lv , Mengxue Li , Tonglei Guo , Changlong Yu , Fei Sun , Taiwei Jin , Wilfred Ng

The modeling of users' behaviors is crucial in modern recommendation systems. A lot of research focuses on modeling users' lifelong sequences, which can be extremely long and sometimes exceed thousands of items. These models use the target…

Information Retrieval · Computer Science 2024-07-16 Kaiming Shen , Xichen Ding , Zixiang Zheng , Yuqi Gong , Qianqian Li , Zhongyi Liu , Guannan Zhang

User behavior sequences in modern recommendation systems exhibit significant length heterogeneity, ranging from sparse short-term interactions to rich long-term histories. While longer sequences provide more context, we observe that…

Artificial Intelligence · Computer Science 2026-01-28 Zhicheng Zhang , Zhaocheng Du , Jieming Zhu , Jiwei Tang , Fengyuan Lu , Wang Jiaheng , Song-Li Wu , Qianhui Zhu , Jingyu Li , Hai-Tao Zheng , Zhenhua Dong

User response prediction is essential in industrial recommendation systems, such as online display advertising. Among all the features in recommendation models, user behaviors are among the most critical. Many works have revealed that a…

Information Retrieval · Computer Science 2024-07-08 Haolin Zhou , Junwei Pan , Xinyi Zhou , Xihua Chen , Jie Jiang , Xiaofeng Gao , Guihai Chen

While generative recommendations (GR) possess strong sequential reasoning capabilities, they face significant challenges when processing extremely long user behavior sequences: the high computational cost forces practical sequence lengths…

Information Retrieval · Computer Science 2026-02-17 Yu Zhou , Chengcheng Guo , Kuo Cai , Ji Liu , Qiang Luo , Ruiming Tang , Han Li , Kun Gai , Guorui Zhou

Modern large-scale recommendation systems rely heavily on user interaction history sequences to enhance the model performance. The advent of large language models and sequential modeling techniques, particularly transformer-like…

Information Retrieval · Computer Science 2026-03-27 Zhimin Chen , Chenyu Zhao , Ka Chun Mo , Yunjiang Jiang , Jane H. Lee , Khushhall Chandra Mahajan , Ning Jiang , Kai Ren , Jinhui Li , Wen-Yun Yang

This paper addresses two persistent challenges in sequential recommendation: (i) evidence insufficiency-cold-start sparsity together with noisy, length-varying item texts; and (ii) opaque modeling of dynamic, multi-faceted intents across…

Information Retrieval · Computer Science 2026-04-29 Yuchen Miao , Mingxuan Cui , Yitong Zhu , Yu Wang , Siyang Xu

As the final stage of the multi-stage recommender system (MRS), reranking directly affects users' experience and satisfaction, thus playing a critical role in MRS. Despite the improvement achieved in the existing work, three issues are yet…

Information Retrieval · Computer Science 2022-04-21 Yunjia Xi , Weiwen Liu , Jieming Zhu , Xilong Zhao , Xinyi Dai , Ruiming Tang , Weinan Zhang , Rui Zhang , Yong Yu

For artificial intelligence, high-utility sequential rule mining (HUSRM) is a knowledge discovery method that can reveal the associations between events in the sequences. Recently, abundant methods have been proposed to discover…

Artificial Intelligence · Computer Science 2023-09-29 Chunkai Zhang , Maohua Lyu , Huaijin Hao , Wensheng Gan , Philip S. Yu