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Discovering user preferences across different domains is pivotal in cross-domain recommendation systems, particularly when platforms lack comprehensive user-item interactive data. The limited presence of shared users often hampers the…

信息检索 · 计算机科学 2025-06-10 Zongyi Xiang , Yan Zhang , Lixin Duan , Hongzhi Yin , Ivor W. Tsang

To address the long-standing data sparsity problem in recommender systems (RSs), cross-domain recommendation (CDR) has been proposed to leverage the relatively richer information from a richer domain to improve the recommendation…

信息检索 · 计算机科学 2021-03-03 Feng Zhu , Yan Wang , Chaochao Chen , Jun Zhou , Longfei Li , Guanfeng Liu

Nowadays, users open multiple accounts on social media platforms and e-commerce sites, expressing their personal preferences on different domains. However, users' behaviors change across domains, depending on the content that users interact…

信息检索 · 计算机科学 2019-07-04 Dimitrios Rafailidis , Gerhard Weiss

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

Traditional recommendation methods rely on correlating the embedding vectors of item IDs to capture implicit collaborative filtering signals to model the user's interest in the target item. Consequently, traditional ID-based methods often…

信息检索 · 计算机科学 2025-08-22 Moyu Zhang , Yongxiang Tang , Yujun Jin , Jinxin Hu , Yu Zhang

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

In recent years, dual-target Cross-Domain Recommendation (CDR) has been proposed to capture comprehensive user preferences in order to ultimately enhance the recommendation accuracy in both data-richer and data-sparser domains…

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

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 Sequential Recommendation (CDSR) seeks to improve user preference modeling by transferring knowledge from multiple domains. Despite the progress made in CDSR, most existing methods rely on overlapping users or items to…

信息检索 · 计算机科学 2025-10-31 Min Hou , Xin Liu , Le Wu , Chenyi He , Hao Liu , Zhi Li , Xin Li , Si Wei

Cross-Domain Recommendation (CDR) seeks to enable effective knowledge transfer across domains. Existing works rely on either representation alignment or transformation bridges, but they struggle on identifying domain-shared from…

信息检索 · 计算机科学 2024-04-09 Jing Du , Zesheng Ye , Bin Guo , Zhiwen Yu , Lina Yao

It is a long-standing challenge in modern recommender systems to effectively make recommendations for new users, namely the cold-start problem. Cross-Domain Recommendation (CDR) has been proposed to address this challenge, but current ways…

信息检索 · 计算机科学 2023-10-18 Xin Su , Yao Zhou , Zifei Shan , Qian Chen

Collaborative Filtering (CF) has emerged as one of the most prominent implementation strategies for building recommender systems. The key idea is to exploit the usage patterns of individuals to generate personalized recommendations. CF…

信息检索 · 计算机科学 2025-02-18 Adamya Shyam , Ramya Kamani , Venkateswara Rao Kagita , Vikas Kumar

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

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

In recent years, Cross-Domain Recommendation (CDR) has drawn significant attention, which utilizes user data from multiple domains to enhance the recommendation performance. However, current CDR methods require sharing user data across…

机器学习 · 计算机科学 2024-09-04 Hongyu Zhang , Dongyi Zheng , Lin Zhong , Xu Yang , Jiyuan Feng , Yunqing Feng , Qing Liao

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

In conventional domain adaptation, a critical assumption is that there exists a fully labeled domain (source) that contains the same label space as another unlabeled or scarcely labeled domain (target). However, in the real world, there…

机器学习 · 计算机科学 2019-05-01 Shuhan Tan , Jiening Jiao , Wei-Shi Zheng

Cross-Domain Recommendation (CDR) seeks to enhance item retrieval in low-resource domains by transferring knowledge from high-resource domains. While recent advancements in Large Language Models (LLMs) have demonstrated their potential in…

信息检索 · 计算机科学 2025-03-12 Xinyi Liu , Ruijie Wang , Dachun Sun , Dilek Hakkani-Tur , Tarek Abdelzaher

Cross-domain recommendation (CDR) offers a promising solution to the data sparsity problem by enabling knowledge transfer across source and target domains. However, many recent CDR models overlook crucial issues such as privacy as well as…

机器学习 · 计算机科学 2024-11-05 Ziqi Yang , Zhaopeng Peng , Zihui Wang , Jianzhong Qi , Chaochao Chen , Weike Pan , Chenglu Wen , Cheng Wang , Xiaoliang Fan

Cross-domain cold-start recommendation is an increasingly emerging issue for recommender systems. Existing works mainly focus on solving either cross-domain user recommendation or cold-start content recommendation. However, when a new…

信息检索 · 计算机科学 2021-12-08 Huiling Zhou , Jie Liu , Zhikang Li , Jin Yu , Hongxia Yang