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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…

信息检索 · 计算机科学 2025-05-23 Jiajie Zhu , Yan Wang , Feng Zhu , Pengfei Ding , Hongyang Liu , Zhu Sun

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.…

信息检索 · 计算机科学 2025-07-08 Fan Zhang , Jinpeng Chen , Huan Li , Senzhang Wang , Yuan Cao , Kaimin Wei , JianXiang He , Feifei Kou , Jinqing Wang

Cross-domain recommendation (CDR) is a task that aims to improve the recommendation performance in a target domain by leveraging the information from source domains. Contrastive learning methods have been widely adopted among intra-domain…

信息检索 · 计算机科学 2025-02-25 Heng Chang , Liang Gu , Cheng Hu , Zhinan Zhang , Hong Zhu , Yuhui Xu , Yuan Fang , Zhen Chen

Cross-Domain Sequential Recommendation (CDSR) methods aim to tackle the data sparsity and cold-start problems present in Single-Domain Sequential Recommendation (SDSR). Existing CDSR works design their elaborate structures relying on…

信息检索 · 计算机科学 2024-04-15 Wujiang Xu , Qitian Wu , Runzhong Wang , Mingming Ha , Qiongxu Ma , Linxun Chen , Bing Han , Junchi Yan

Recommender systems (RS) have become crucial tools for information filtering in various real world scenarios. And cross domain recommendation (CDR) has been widely explored in recent years in order to provide better recommendation results…

信息检索 · 计算机科学 2025-03-19 Hao Zhang , Mingyue Cheng , Qi Liu , Junzhe Jiang , Xianquan Wang , Rujiao Zhang , Chenyi Lei , Enhong Chen

Cross-domain recommender (CDR) systems aim to enhance the performance of the target domain by utilizing data from other related domains. However, irrelevant information from the source domain may instead degrade target domain performance,…

信息检索 · 计算机科学 2024-04-01 Hanyu Li , Weizhi Ma , Peijie Sun , Jiayu Li , Cunxiang Yin , Yancheng He , Guoqiang Xu , Min Zhang , Shaoping Ma

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…

信息检索 · 计算机科学 2022-11-23 Chenglin Li , Yuanzhen Xie , Chenyun Yu , Bo Hu , Zang li , Guoqiang Shu , Xiaohu Qie , Di Niu

Cross-domain Recommendation (CDR) aims to alleviate the data sparsity and the cold-start problems in traditional recommender systems by leveraging knowledge from an informative source domain. However, previously proposed CDR models pursue…

信息检索 · 计算机科学 2024-10-01 Binbin Hu , Weifan Wang , Hanshu Wang , Ziqi Liu , Bin Shen , Yong He , Jiawei Chen

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…

信息检索 · 计算机科学 2023-06-09 Haokai Ma , Ruobing Xie , Lei Meng , Xin Chen , Xu Zhang , Leyu Lin , Jie Zhou

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…

信息检索 · 计算机科学 2024-10-18 Haipeng Li , Jiangxia Cao , Yiwen Gao , Yunhuai Liu , Shuchao Pang

Cross-domain recommendation (CDR) offers an effective strategy for improving recommendation quality in a target domain by leveraging auxiliary signals from source domains. Nonetheless, emerging evidence shows that CDR can inadvertently…

信息检索 · 计算机科学 2026-01-30 Yuhan Zhao , Weixin Chen , Li Chen , Weike Pan

Cross-domain sequential recommendation (CDSR) aims to address the data sparsity problems that exist in traditional sequential recommendation (SR) systems. The existing approaches aim to design a specific cross-domain unit that can transfer…

信息检索 · 计算机科学 2024-06-06 Wujiang Xu , Xuying Ning , Wenfang Lin , Mingming Ha , Qiongxu Ma , Qianqiao Liang , Xuewen Tao , Linxun Chen , Bing Han , Minnan Luo

Recommender systems are widely used in various real-world applications, but they often encounter the persistent challenge of the user cold-start problem. Cross-domain recommendation (CDR), which leverages user interactions from one domain…

信息检索 · 计算机科学 2025-02-13 Hourun Li , Yifan Wang , Zhiping Xiao , Jia Yang , Changling Zhou , Ming Zhang , Wei Ju

Cross-domain recommendation (CDR) plays a critical role in alleviating the sparsity and cold-start problem and substantially boosting the performance of recommender systems. Existing CDR methods prefer to either learn a common preference…

信息检索 · 计算机科学 2024-08-02 Xiaofei Zhu , Yabo Yin , Li Wang

Cross-domain recommendation (CDR) has been increasingly explored to address data sparsity and cold-start issues. However, recent approaches typically disentangle domain-invariant features shared between source and target domains, as well as…

信息检索 · 计算机科学 2026-01-27 Junyou He , Lixi Deng , Huichao Guo , Ye Tang , Yong Li , Sulong Xu

Cross-domain recommendation (CDR) addresses the data sparsity and cold-start problems in the target domain by leveraging knowledge from data-rich source domains. However, existing CDR methods often rely on domain-specific features or…

信息检索 · 计算机科学 2026-04-14 Chunxu Zhang , Shanqiang Huang , Zijian Zhang , Jiahong Liu , Linsong Yu , Ruiqi Wan , Bo Yang , Irwin King

Cross-domain recommendation (CDR) aims to alleviate data sparsity by transferring knowledge across domains, yet existing methods primarily rely on coarse-grained behavioral signals and often overlook intra-domain heterogeneity in user…

人机交互 · 计算机科学 2026-03-10 Daehee Kang , Yeon-Chang Lee

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,…

信息检索 · 计算机科学 2021-08-19 Feng Zhu , Yan Wang , Jun Zhou , Chaochao Chen , Longfei Li , Guanfeng Liu

Cross-Domain Recommendation (CDR) and Cross-System Recommendations (CSR) are two of the promising solutions to address the long-standing data sparsity problem in recommender systems. They leverage the relatively richer information, e.g.,…

机器学习 · 计算机科学 2020-09-15 Feng Zhu , Yan Wang , Chaochao Chen , Guanfeng Liu , Mehmet Orgun , Jia Wu

Cold-start problem is still a very challenging problem in recommender systems. Fortunately, the interactions of the cold-start users in the auxiliary source domain can help cold-start recommendations in the target domain. How to transfer…

信息检索 · 计算机科学 2021-12-21 Yongchun Zhu , Zhenwei Tang , Yudan Liu , Fuzhen Zhuang , Ruobing Xie , Xu Zhang , Leyu Lin , Qing He