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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) 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

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

Advanced recommender systems usually involve multiple domains (such as scenarios or categories) for various marketing strategies, and users interact with them to satisfy diverse demands. The goal of multi-domain recommendation (MDR) is to…

信息检索 · 计算机科学 2023-04-20 Zixuan Xu , Penghui Wei , Shaoguo Liu , Weimin Zhang , Liang Wang , Bo Zheng

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 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

With the proliferation of social media platforms and e-commerce sites, several cross-domain collaborative filtering strategies have been recently introduced to transfer the knowledge of user preferences across domains. The main challenge of…

信息检索 · 计算机科学 2019-08-20 Dimitrios Rafailidis

Unsupervised cross-domain image retrieval (UCIR) aims to retrieve images sharing the same category across diverse domains without relying on labeled data. Prior approaches have typically decomposed the UCIR problem into two distinct tasks:…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Bin Li , Ye Shi , Qian Yu , Jingya Wang

As user behavior data becomes increasingly scattered across different platforms, achieving cross-domain knowledge fusion while preserving privacy has become a critical issue in recommender systems. Existing PPCDR methods usually rely on…

信息检索 · 计算机科学 2026-05-07 Lei Guo , Ting Yang , Xu Yu , Xiaohui Han , Guiyuan Jiang , Hui Liu

Cross-Domain Recommendation (CDR) has been popularly studied to utilize different domain knowledge to solve the data sparsity and cold-start problem in recommender systems. In this paper, we focus on the Review-based Non-overlapped…

信息检索 · 计算机科学 2022-02-11 Weiming Liu , Xiaolin Zheng , Mengling Hu , Chaochao Chen

Multi-domain translation (MDT) aims to learn translations between multiple domains, yet existing approaches either require fully aligned tuples or can only handle domain pairs seen in training, limiting their practicality and excluding many…

机器学习 · 计算机科学 2026-01-28 Duc Kieu , Kien Do , Tuan Hoang , Thao Minh Le , Tung Kieu , Dang Nguyen , Thin Nguyen

Domain adaptation is commonly employed in crowd counting to bridge the domain gaps between different datasets. However, existing domain adaptation methods tend to focus on inter-dataset differences while overlooking the intra-differences…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Huilin Zhu , Jingling Yuan , Xian Zhong , Zhengwei Yang , Zheng Wang , Shengfeng He

Cross-Domain Sequential Recommendation (CDSR) leverages user behaviors across domains to enhance recommendation quality. However, naive aggregation of sequential signals can introduce conflicting domain-specific preferences, leading to…

信息检索 · 计算机科学 2025-09-12 Xiaoxin Ye , Chengkai Huang , Hongtao Huang , Lina Yao

Traditional recommendation systems are faced with two long-standing obstacles, namely, data sparsity and cold-start problems, which promote the emergence and development of Cross-Domain Recommendation (CDR). The core idea of CDR is to…

信息检索 · 计算机科学 2022-07-26 Tianzi Zang , Yanmin Zhu , Haobing Liu , Ruohan Zhang , Jiadi Yu

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

Multi-domain recommendation (MDR) aims to provide recommendations for different domains (e.g., types of products) with overlapping users/items and is common for platforms such as Amazon, Facebook, and LinkedIn that host multiple services.…

信息检索 · 计算机科学 2023-08-15 Wentao Ning , Xiao Yan , Weiwen Liu , Reynold Cheng , Rui Zhang , Bo Tang

Cross-domain recommendation (CDR) has emerged as a promising solution to the cold-start problem, faced by single-domain recommender systems. However, existing CDR models rely on complex neural architectures, large datasets, and significant…

信息检索 · 计算机科学 2024-12-02 Ajay Krishna Vajjala , Dipak Meher , Ziwei Zhu , David S. Rosenblum

Click-Through Rate (CTR) prediction is one of the main tasks of the recommendation system, which is conducted by a user for different items to give the recommendation results. Cross-domain CTR prediction models have been proposed to…

信息检索 · 计算机科学 2023-05-23 Menglin Kong , Muzhou Hou , Shaojie Zhao , Feng Liu , Ri Su , Yinghao Chen

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 Sequential Recommendation (CDSR) aims to predict future interactions based on user's historical sequential interactions from multiple domains. Generally, a key challenge of CDSR is how to mine precise cross-domain user…

信息检索 · 计算机科学 2023-04-11 Jiangxia Cao , Xin Cong , Jiawei Sheng , Tingwen Liu , Bin Wang