English
Related papers

Related papers: WeaveRec: An LLM-Based Cross-Domain Sequential Rec…

200 papers

Sequential recommendation aims to predict users' future interactions by modeling collaborative filtering (CF) signals from historical behaviors of similar users or items. Traditional sequential recommenders predominantly rely on ID-based…

Information Retrieval · Computer Science 2025-06-30 Yingzhi He , Xiaohao Liu , An Zhang , Yunshan Ma , Tat-Seng Chua

Cross-domain recommendation (CDR), aiming to extract and transfer knowledge across domains, has attracted wide attention for its efficacy in addressing data sparsity and cold-start problems. Despite significant advances in representation…

Information Retrieval · Computer Science 2024-04-02 Luankang Zhang , Hao Wang , Suojuan Zhang , Mingjia Yin , Yongqiang Han , Jiaqing Zhang , Defu Lian , Enhong Chen

Cross-domain recommendation (CDR) aims to provide better recommendation results in the target domain with the help of the source domain, which is widely used and explored in real-world systems. However, CDR in the matching (i.e., candidate…

Information Retrieval · Computer Science 2022-06-22 Ruobing Xie , Qi Liu , Liangdong Wang , Shukai Liu , Bo Zhang , Leyu Lin

Sequential Recommendation (SR) characterizes evolving patterns of user behaviors by modeling how users transit among items. However, the short interaction sequences limit the performance of existing SR. To solve this problem, we focus on…

Information Retrieval · Computer Science 2022-09-22 Xiaolin Zheng , Jiajie Su , Weiming Liu , Chaochao Chen

Cross-domain recommendation (CDR) is crucial for improving recommendation accuracy and generalization, yet traditional methods are often hindered by the reliance on shared user/item IDs, which are unavailable in most real-world scenarios.…

Information Retrieval · Computer Science 2025-11-18 Peiyu Hu , Wayne Lu , Jia Wang

Recent recommender systems increasingly leverage embeddings from large pre-trained language models (PLMs). However, such embeddings exhibit two key limitations: (1) PLMs are not explicitly optimized to produce structured and discriminative…

Computation and Language · Computer Science 2026-01-19 Guy Hadad , Neomi Rabaev , Bracha Shapira

Recent advances in generative artificial intelligence, particularly large language models (LLMs), have opened new opportunities for enhancing recommender systems (RecSys). Most existing LLM-based RecSys approaches operate in a discrete…

Information Retrieval · Computer Science 2026-02-25 Haohao Qu , Shanru Lin , Yujuan Ding , Yiqi Wang , Wenqi Fan

Cross-domain sequential recommendation (CDSR) aims to align heterogeneous user behavior sequences collected from different domains. While cross-attention is widely used to enhance alignment and improve recommendation performance, its…

Sequential recommender systems (SRS) predict the next items that users may prefer based on user historical interaction sequences. Inspired by the rise of large language models (LLMs) in various AI applications, there is a surge of work on…

Information Retrieval · Computer Science 2024-10-17 CanYi Liu , Wei Li , Youchen , Zhang , Hui Li , Rongrong Ji

Current sequential recommender systems are proposed to tackle the dynamic user preference learning with various neural techniques, such as Transformer and Graph Neural Networks (GNNs). However, inference from the highly sparse user behavior…

Information Retrieval · Computer Science 2023-03-22 Yuhao Yang , Chao Huang , Lianghao Xia , Chunzhen Huang , Da Luo , Kangyi Lin

Recent advancements in Multimodal Large Language Models (MLLMs) have demonstrated significant potential in recommendation systems. However, the effective application of MLLMs to multimodal sequential recommendation remains unexplored: A)…

Information Retrieval · Computer Science 2025-12-25 Haoyu Wang , Yitong Wang , Jining Wang

Cross-domain Recommendation (CR) has been extensively studied in recent years to alleviate the data sparsity issue in recommender systems by utilizing different domain information. In this work, we focus on the more general Non-overlapping…

Information Retrieval · Computer Science 2023-04-11 Lei Guo , Chunxiao Wang , Xinhua Wang , Lei Zhu , Hongzhi Yin

Cross-Domain Sequential Recommendation (CDSR) aims to en-hance recommendation quality by transferring knowledge across domains, offering effective solutions to data sparsity and cold-start issues. However, existing methods face three major…

Information Retrieval · Computer Science 2026-04-10 Xingzi Wang , Qingtian Bian , Hui Fang

Cross-domain recommendation (CDR) methods are proposed to tackle the sparsity problem in click through rate (CTR) estimation. Existing CDR methods directly transfer knowledge from the source domains to the target domain and ignore the…

Machine Learning · Computer Science 2024-11-15 Ke Xu , Ziliang Wang , Wei Zheng , Yuhao Ma , Chenglin Wang , Nengxue Jiang , Cai Cao

Cross-Domain Recommendation (CDR) and Cross-System Recommendation (CSR) have been proposed to improve the recommendation accuracy in a target dataset (domain/system) with the help of a source one with relatively richer information. However,…

Information Retrieval · Computer Science 2021-08-19 Feng Zhu , Yan Wang , Jun Zhou , Chaochao Chen , Longfei Li , Guanfeng Liu

Cross-domain recommendation (CDR) aims to leverage the correlation of users' behaviors in both the source and target domains to improve the user preference modeling in the target domain. Conventional CDR methods typically explore the…

Information Retrieval · Computer Science 2023-06-09 Haokai Ma , Ruobing Xie , Lei Meng , Xin Chen , Xu Zhang , Leyu Lin , Jie Zhou

Federated cross-domain recommendation (Federated CDR) aims to collaboratively learn personalized recommendation models across heterogeneous domains while preserving data privacy. Recently, large language model (LLM)-based recommendation…

Information Retrieval · Computer Science 2026-02-19 Xinrui He , Ting-Wei Li , Tianxin Wei , Xuying Ning , Xinyu He , Wenxuan Bao , Hanghang Tong , Jingrui He

Large Language Models (LLMs) for Recommendation (LLM4Rec) is a promising research direction that has demonstrated exceptional performance in this field. However, its inability to capture real-time user preferences greatly limits the…

Information Retrieval · Computer Science 2025-02-26 Zheqi Lv , Tianyu Zhan , Wenjie Wang , Xinyu Lin , Shengyu Zhang , Wenqiao Zhang , Jiwei Li , Kun Kuang , Fei Wu

Non-overlapping Cross-domain Sequential Recommendation (NCSR) is the task that focuses on domain knowledge transfer without overlapping entities. Compared with traditional Cross-domain Sequential Recommendation (CSR), NCSR poses several…

Information Retrieval · Computer Science 2025-11-25 Lei Guo , Chenlong Song , Feng Guo , Xiaohui Han , Xiaojun Chang , Lei Zhu

Contrastive learning has been effectively utilized to enhance the training of sequential recommendation models by leveraging informative self-supervised signals. Most existing approaches generate augmented views of the same user sequence…

Information Retrieval · Computer Science 2025-02-06 Ziqiang Cui , Haolun Wu , Bowei He , Ji Cheng , Chen Ma