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This paper investigates Cross-Domain Sequential Recommendation (CDSR), a promising method that uses information from multiple domains (more than three) to generate accurate and diverse recommendations, and takes into account the sequential…

Artificial Intelligence · Computer Science 2023-11-23 Chung Park , Taesan Kim , Taekyoon Choi , Junui Hong , Yelim Yu , Mincheol Cho , Kyunam Lee , Sungil Ryu , Hyungjun Yoon , Minsung Choi , Jaegul Choo

Cross-Domain Recommendation (CDR) is an effective way to alleviate the cold-start problem. However, previous work severely ignores fairness and bias when learning the mapping function, which is used to obtain the representations for fresh…

Information Retrieval · Computer Science 2023-05-16 Jiakai Tang , Xu Chen , Xueyang Feng

Learning informative representations of users and items from the interaction data is of crucial importance to collaborative filtering (CF). Present embedding functions exploit user-item relationships to enrich the representations, evolving…

Information Retrieval · Computer Science 2020-07-06 Xiang Wang , Hongye Jin , An Zhang , Xiangnan He , Tong Xu , Tat-Seng Chua

Disentangled representation is a powerful technique to tackle domain shift problem in medical image analysis in unsupervised domain adaptation setting.However, previous methods only focus on exacting domain-invariant feature and ignore…

Image and Video Processing · Electrical Eng. & Systems 2023-03-07 Shuai Wang , Rui Li

Recommender systems are frequently challenged by the data sparsity problem. One approach to mitigate this issue is through cross-domain recommendation techniques. In a cross-domain context, sharing knowledge between domains can enhance the…

Information Retrieval · Computer Science 2023-11-06 Zixuan Yi , Iadh Ounis , Craig Macdonald

Multi-behavioral recommender systems have emerged as a solution to address data sparsity and cold-start issues by incorporating auxiliary behaviors alongside target behaviors. However, existing models struggle to accurately capture varying…

Information Retrieval · Computer Science 2024-04-18 Zhiyong Cheng , Jianhua Dong , Fan Liu , Lei Zhu , Xun Yang , Meng Wang

Cross-domain recommendation is an important method to improve recommender system performance, especially when observations in target domains are sparse. However, most existing techniques focus on single-target or dual-target cross-domain…

Information Retrieval · Computer Science 2022-11-23 Chenglin Li , Yuanzhen Xie , Chenyun Yu , Bo Hu , Zang li , Guoqiang Shu , Xiaohu Qie , Di Niu

Data sparsity and cold-start problems are persistent challenges in recommendation systems. Cross-domain recommendation (CDR) is a promising solution that utilizes knowledge from the source domain to improve the recommendation performance in…

Information Retrieval · Computer Science 2023-11-07 Yanyu Chen , Yao Yao , Wai Kin Victor Chan , Li Xiao , Kai Zhang , Liang Zhang , Yun Ye

Cross-domain recommendation (CDR) aims to address the persistent cold-start problem in Recommender Systems. Current CDR research concentrates on transferring cold-start users' information from the auxiliary domain to the target domain.…

Information Retrieval · Computer Science 2025-07-08 Fan Zhang , Jinpeng Chen , Huan Li , Senzhang Wang , Yuan Cao , Kaimin Wei , JianXiang He , Feifei Kou , Jinqing Wang

Recommender models aimed at mining users' behavioral patterns have raised great attention as one of the essential applications in daily life. Recent work on graph neural networks (GNNs) or debiasing methods has attained remarkable gains.…

Information Retrieval · Computer Science 2024-09-05 Xinfeng Wang , Fumiyo Fukumoto , Jin Cui , Yoshimi Suzuki , Jiyi Li , Dongjin Yu

Cross-domain Recommendation (CDR) exploits multi-domain correlations to alleviate data sparsity. As a core task within this field, inter-domain recommendation focuses on predicting preferences for users who interact in a source domain but…

Information Retrieval · Computer Science 2026-04-08 Ziang Lu , Lei Sang , Lin Mu , Yiwen Zhang

Cross-Domain Sequential Recommendation (CDSR) is a hot topic in sequence-based user interest modeling, which aims at utilizing a single model to predict the next items for different domains. To tackle the CDSR, many methods are focused on…

Information Retrieval · Computer Science 2024-10-18 Haipeng Li , Jiangxia Cao , Yiwen Gao , Yunhuai Liu , Shuchao Pang

Social recommendation leverages social network to complement user-item interaction data for recommendation task, aiming to mitigate the data sparsity issue in recommender systems. However, existing social recommendation methods encounter…

Information Retrieval · Computer Science 2024-05-09 Wenjie Chen , Yi Zhang , Honghao Li , Lei Sang , Yiwen Zhang

Cross-Domain Sequential Recommendation (CDSR) aims to predict future user interactions based on historical interactions across multiple domains. The key challenge in CDSR is effectively capturing cross-domain user preferences by fully…

Information Retrieval · Computer Science 2025-02-28 Wangyu Wu , Siqi Song , Xianglin Qiu , Xiaowei Huang , Fei Ma , Jimin Xiao

Since human-labeled samples are free for the target set, unsupervised person re-identification (Re-ID) has attracted much attention in recent years, by additionally exploiting the source set. However, due to the differences on camera…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Huafeng Li , Kaixiong Xu , Jinxing Li , Guangming Lu , Yong Xu , Zhengtao Yu , David Zhang

Recommender systems aim to provide personalized item recommendations by capturing user behaviors derived from their interaction history. Considering that user interactions naturally occur sequentially based on users' intents in mind, user…

Information Retrieval · Computer Science 2025-01-14 Yijin Choi , Chiehyeon Lim

Cross-Domain Recommendation (CDR) aims to leverage knowledge from a relatively data-richer source domain to address the data sparsity problem in a relatively data-sparser target domain. While CDR methods need to address the distribution…

Information Retrieval · Computer Science 2025-05-23 Jiajie Zhu , Yan Wang , Feng Zhu , Pengfei Ding , Hongyang Liu , Zhu Sun

In the digital era, users typically interact with diverse items across multiple domains (e.g., e-commerce, streaming platforms, and social networks), generating intricate heterogeneous interaction graphs. Leveraging multi-domain data can…

Information Retrieval · Computer Science 2025-07-11 Hengyu Zhang , Chunxu Shen , Xiangguo Sun , Jie Tan , Yu Rong , Chengzhi Piao , Hong Cheng , Lingling Yi

Cross-domain sequential recommenders (CSRs) are gaining considerable research attention as they can capture user sequential preference by leveraging side information from multiple domains. However, these works typically follow an ideal…

Information Retrieval · Computer Science 2024-02-08 Xinhua Wang , Houping Yue , Zizheng Wang , Liancheng Xu , Jinyu Zhang

Recommender systems, which analyze users' preference patterns to suggest potential targets, are indispensable in today's society. Collaborative Filtering (CF) is the most popular recommendation model. Specifically, Graph Neural Network…

Information Retrieval · Computer Science 2021-01-06 Zhuang Liu , Yunpu Ma , Yuanxin Ouyang , Zhang Xiong