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Internet insurance products are apparently different from traditional e-commerce goods for their complexity, low purchasing frequency, etc.So, cold start problem is even worse. In traditional e-commerce field, several cross-domain…

信息检索 · 计算机科学 2020-07-28 Ye Bi , Liqiang Song , Mengqiu Yao , Zhenyu Wu , Jianming Wang , Jing Xiao

Recommender systems frequently encounter data sparsity issues, particularly when addressing cold-start scenarios involving new users or items. Multi-source cross-domain recommendation (CDR) addresses these challenges by transferring…

信息检索 · 计算机科学 2025-10-07 Lili Xie , Yi Zhang , Ruihong Qiu , Jiajun Liu , Sen Wang

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.…

信息检索 · 计算机科学 2025-11-18 Peiyu Hu , Wayne Lu , Jia Wang

Cross domain recommender systems have been increasingly valuable for helping consumers identify useful items in different applications. However, existing cross-domain models typically require large number of overlap users, which can be…

信息检索 · 计算机科学 2021-04-21 Pan Li , Alexander Tuzhilin

Collaborative Filtering (CF) is a foundational approach in recommender systems, but it struggles with challenges such as data sparsity and the cold-start problem. Cross-Domain Recommendation (CDR) has emerged as a promising solution by…

信息检索 · 计算机科学 2025-09-18 Jeongeun Lee , Seongku Kang , Won-Yong Shin , Jeongwhan Choi , Noseong Park , Dongha Lee

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…

机器学习 · 计算机科学 2024-11-15 Ke Xu , Ziliang Wang , Wei Zheng , Yuhao Ma , Chenglin Wang , Nengxue Jiang , Cai Cao

Cross-Domain Recommendation (CDR) have received widespread attention due to their ability to utilize rich information across domains. However, most existing CDR methods assume an ideal static condition that is not practical in industrial…

信息检索 · 计算机科学 2024-10-16 Heyuan Huang , Xingyu Lou , Chaochao Chen , Pengxiang Cheng , Yue Xin , Chengwei He , Xiang Liu , Jun Wang

Cross-domain recommendation (CDR) has been attracting increasing attention of researchers for its ability to alleviate the data sparsity problem in recommender systems. However, the existing single-target or dual-target CDR methods often…

信息检索 · 计算机科学 2022-01-19 Xiaoyun Zhao , Ning Yang , Philip S. 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…

信息检索 · 计算机科学 2026-04-08 Ziang Lu , Lei Sang , Lin Mu , Yiwen Zhang

The behavior of users in certain services could be a clue that can be used to infer their preferences and may be used to make recommendations for other services they have never used. However, the cross-domain relationships between items and…

机器学习 · 计算机科学 2018-03-09 Heishiro Kanagawa , Hayato Kobayashi , Nobuyuki Shimizu , Yukihiro Tagami , Taiji Suzuki

In industrial practice, Multi-domain Recommendation (MDR) plays a crucial role. Shared-specific architectures are widely used in industrial solutions to capture shared and unique attributes via shared and specific parameters. However, with…

信息检索 · 计算机科学 2025-11-04 Xiaoyu Liu , Yiqing Wu , Ruidong Han , Fuzhen Zhuang , Xiang Li , Wei Lin

Cross-Domain Recommendation (CDR) stands as a pivotal technology addressing issues of data sparsity and cold start by transferring general knowledge from the source to the target domain. However, existing CDR models suffer limitations in…

信息检索 · 计算机科学 2023-10-23 Bowen Hao , Chaoqun Yang , Lei Guo , Junliang Yu , Hongzhi Yin

Cross-domain recommendation forms a crucial component in recommendation systems. It leverages auxiliary information through source domain tasks or features to enhance target domain recommendations. However, incorporating inconsistent source…

信息检索 · 计算机科学 2025-10-17 Zhibo Wu , Yunfan Wu , Lin Jiang , Ping Yang , Yao Hu

Cross-domain recommendation (CDR) aims to enhance recommendation accuracy in a target domain with sparse data by leveraging rich information in a source domain, thereby addressing the data-sparsity problem. Some existing CDR methods…

人工智能 · 计算机科学 2024-03-07 Li Wang , Lei Sang , Quangui Zhang , Qiang Wu , Min Xu

Cross-Domain Sequential Recommendation (CDSR) improves recommendation performance by utilizing information from multiple domains, which contrasts with Single-Domain Sequential Recommendation (SDSR) that relies on a historical interaction…

信息检索 · 计算机科学 2024-07-25 Chung Park , Taesan Kim , Hyungjun Yoon , Junui Hong , Yelim Yu , Mincheol Cho , Minsung Choi , Jaegul Choo

The conventional single-target Cross-Domain Recommendation (CDR) aims to improve the recommendation performance on a sparser target domain by transferring the knowledge from a source domain that contains relatively richer information. By…

信息检索 · 计算机科学 2023-07-27 Jiajie Zhu , Yan Wang , Feng Zhu , Zhu Sun

Cross-domain retrieval (CDR), as a crucial tool for numerous technologies, is finding increasingly broad applications. However, existing efforts face several major issues, with the most critical being the need for accurate supervision,…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Lixu Wang , Xinyu Du , Qi Zhu

Cross domain recommendation (CDR) is one popular research topic in recommender systems. This paper focuses on a popular scenario for CDR where different domains share the same set of users but no overlapping items. The majority of recent…

信息检索 · 计算机科学 2022-03-18 Xu Chen , Ya Zhang , Ivor Tsang , Yuangang Pan , Jingchao Su

Cross-Domain Recommendation (CDR) has been widely investigated for solving long-standing data sparsity problem via knowledge sharing across domains. In this paper, we focus on the Multi-Modal Cross-Domain Recommendation (MMCDR) problem…

信息检索 · 计算机科学 2025-02-25 Weiming Liu , Chaochao Chen , Jiahe Xu , Xinting Liao , Fan Wang , Xiaolin Zheng , Zhihui Fu , Ruiguang Pei , Jun Wang

Cross domain recommender systems have been increasingly valuable for helping consumers identify the most satisfying items from different categories. However, previously proposed cross-domain models did not take into account bidirectional…

信息检索 · 计算机科学 2019-10-14 Pan Li , Alexander Tuzhilin