English
Related papers

Related papers: Item Cluster-aware Prompt Learning for Session-bas…

200 papers

Pre-training models have shown their power in sequential recommendation. Recently, prompt has been widely explored and verified for tuning in NLP pre-training, which could help to more effectively and efficiently extract useful knowledge…

Information Retrieval · Computer Science 2024-10-10 Yiqing Wu , Ruobing Xie , Yongchun Zhu , Fuzhen Zhuang , Xu Zhang , Leyu Lin , Qing He

Recommender system based on historical user-item interactions is of vital importance for web-based services. However, the observed data used to train the recommender model suffers from severe bias issues. Practically, the item frequency…

Information Retrieval · Computer Science 2025-03-04 Yule Wang , Xin Xin , Yue Ding , Yunzhe Li , Dong Wang

Session-based recommenders, used for making predictions out of users' uninterrupted sequences of actions, are attractive for many applications. Here, for this task we propose using metric learning, where a common embedding space for…

Information Retrieval · Computer Science 2021-01-08 Bartłomiej Twardowski , Paweł Zawistowski , Szymon Zaborowski

Last years have seen a regain of interest for the use of stochastic block modeling (SBM) in recommender systems. These models are seen as a flexible alternative to tensor decomposition techniques that are able to handle labeled data. Recent…

Machine Learning · Computer Science 2022-09-19 Gaël Poux-Médard , Julien Velcin , Sabine Loudcher

Collaborative Metric Learning (CML) recently emerged as a powerful paradigm for recommendation based on implicit feedback collaborative filtering. However, standard CML methods learn fixed user and item representations, which fails to…

Information Retrieval · Computer Science 2021-08-11 Viet-Anh Tran , Guillaume Salha-Galvan , Romain Hennequin , Manuel Moussallam

Multi-Behavior Recommendation (MBR) leverages multiple user interaction types (e.g., views, clicks, purchases) to enrich preference modeling and alleviate data sparsity issues in traditional single-behavior approaches. However, existing MBR…

Information Retrieval · Computer Science 2026-03-27 Ranxu Zhang , Junjie Meng , Ying Sun , Ziqi Xu , Bing Yin , Hao Li , Yanyong Zhang , Chao Wang

Most recommender systems adopt collaborative filtering (CF) and provide recommendations based on past collective interactions. Therefore, the performance of CF algorithms degrades when few or no interactions are available, a scenario…

Information Retrieval · Computer Science 2024-09-27 Christian Ganhör , Marta Moscati , Anna Hausberger , Shah Nawaz , Markus Schedl

Nowadays, reading or writing comments on captivating videos has emerged as a critical part of the viewing experience on online video platforms. However, existing recommender systems primarily focus on users' interaction behaviors with…

Information Retrieval · Computer Science 2025-07-24 Bowen Zheng , Zihan Lin , Enze Liu , Chen Yang , Enyang Bai , Cheng Ling , Wayne Xin Zhao , Ji-Rong Wen

Bundle recommendation aims to suggest a set of interconnected items to users. However, diverse interaction types and sparse interaction matrices often pose challenges for previous approaches in accurately predicting user-bundle adoptions.…

Information Retrieval · Computer Science 2024-12-25 Tuan-Nghia Bui , Huy-Son Nguyen , Cam-Van Nguyen Thi , Hoang-Quynh Le , Duc-Trong Le

Shared-account Cross-domain Sequential Recommendation (SCSR) task aims to recommend the next item via leveraging the mixed user behaviors in multiple domains. It is gaining immense research attention as more and more users tend to sign up…

Information Retrieval · Computer Science 2022-09-09 Lei Guo , Jinyu Zhang , Li Tang , Tong Chen , Lei Zhu , Hongzhi Yin

Recommender systems are designed to help users in situations of information overload. In recent years, we observed increased interest in session-based recommendation scenarios, where the problem is to make item suggestions to users based…

Information Retrieval · Computer Science 2021-09-15 Sara Latifi , Noemi Mauro , Dietmar Jannach

Sequential recommenders that are trained on implicit feedback are usually learned as a multi-class classification task through softmax-based loss functions on one-hot class labels. However, one-hot training labels are sparse and may lead to…

Information Retrieval · Computer Science 2023-11-07 Shiguang Wu , Xin Xin , Pengjie Ren , Zhumin Chen , Jun Ma , Maarten de Rijke , Zhaochun Ren

Conventional sequential recommendation models have achieved remarkable success in mining implicit behavioral patterns. However, these architectures remain structurally blind to explicit user intent: they struggle to adapt when a user's…

Information Retrieval · Computer Science 2026-03-06 Fuyuan Lyu , Chenglin Luo , Qiyuan Zhang , Yupeng Hou , Haolun Wu , Xing Tang , Xue Liu , Jin L. C. Guo , Xiuqiang He

Conversational recommendation systems (CRS) aim to recommend suitable items to users through natural language conversation. However, most CRS approaches do not effectively utilize the signal provided by these conversations. They rely…

Computation and Language · Computer Science 2023-05-24 Raghav Gupta , Renat Aksitov , Samrat Phatale , Simral Chaudhary , Harrison Lee , Abhinav Rastogi

It is not accurate to make recommendations only based one single current session. Therefore, multi-session-based recommendation(MSBR) is a solution for the problem. Compared with the previous MSBR models, we have made three improvements in…

Information Retrieval · Computer Science 2022-05-10 Zihan Wang , Gang Wu , Yan Wang

LLM-based agents are emerging as a promising paradigm for simulating user behavior to enhance recommender systems. However, their effectiveness is often limited by existing studies that focus on modeling user ratings for individual items.…

Information Retrieval · Computer Science 2025-11-17 Jiahao Wang , Bokang Fu , Yu Zhu , Yuli Liu

Session-based recommendation systems (SBRS) aim to capture user's short-term intent from interaction sequences. However, the common assumption of anonymous sessions limits personalization, particularly under sparse or cold-start conditions.…

Information Retrieval · Computer Science 2026-04-15 Muskan Gupta , Suraj Thapa , Jyotsana Khatri

Sequential Recommender Systems (SRS), which model a user's interaction history to predict the next item of interest, are widely used in various applications. However, existing SRS often struggle with low-popularity items, a challenge known…

Information Retrieval · Computer Science 2024-12-24 Qidong Liu , Xian Wu , Wanyu Wang , Yejing Wang , Yuanshao Zhu , Xiangyu Zhao , Feng Tian , Yefeng Zheng

Sequential recommendation aims to capture user preferences by modeling sequential patterns in user-item interactions. However, these models are often influenced by noise such as accidental interactions, leading to suboptimal performance.…

Information Retrieval · Computer Science 2025-10-07 Tongzhou Wu , Yuhao Wang , Maolin Wang , Chi Zhang , Xiangyu Zhao

One of the most critical problems in e-commerce domain is the information overload problem. Usually, an enormous number of products is offered to a user. The characteristics of this domain force researchers to opt for session-based…

Information Retrieval · Computer Science 2020-12-17 Miroslav Rac , Michal Kompan , Maria Bielikova