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This paper studies the data sparsity problem in multi-view learning. To solve data sparsity problem in multiview ratings, we propose a generic architecture of deep transfer tensor factorization (DTTF) by integrating deep learning and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Penghao Jiang , Ke Xin , Chunxi Li

Cross-domain recommendation (CDR) methods predominantly leverage overlapping users to transfer knowledge from a source domain to a target domain. However, through empirical studies, we uncover a critical bias inherent in these approaches:…

Information Retrieval · Computer Science 2025-07-24 Weixin Chen , Yuhan Zhao , Li Chen , Weike Pan

Recently, there has been a surge of interest in Multi-Target Cross-Domain Recommendation (MTCDR), which aims to enhance recommendation performance across multiple domains simultaneously. Existing MTCDR methods primarily rely on…

Information Retrieval · Computer Science 2025-08-08 Jinqiu Jin , Yang Zhang , Fuli Feng , Xiangnan He

Domain adaptation is transfer learning which aims to generalize a learning model across training and testing data with different distributions. Most previous research tackle this problem in seeking a shared feature representation between…

Machine Learning · Computer Science 2017-04-17 Lingkun Luo , Xiaofang Wang , Shiqiang Hu , Chao Wang , Yuxing Tang , Liming Chen

Collaborative filtering (CF) is the key technique for recommender systems (RSs). CF exploits user-item behavior interactions (e.g., clicks) only and hence suffers from the data sparsity issue. One research thread is to integrate auxiliary…

Artificial Intelligence · Computer Science 2020-10-19 Guangneng Hu , Yu Zhang , Qiang Yang

Cross-domain recommendation has been proposed to transfer user behavior pattern by pooling together the rating data from multiple domains to alleviate the sparsity problem appearing in single rating domains. However, previous models only…

Information Retrieval · Computer Science 2014-09-26 Siting Ren , Sheng Gao

Accurate click-through rate (CTR) prediction is vital for online advertising and recommendation systems. Recent deep learning advancements have improved the ability to capture feature interactions and understand user interests. However,…

Information Retrieval · Computer Science 2025-02-24 Kefan Wang , Hao Wang , Kenan Song , Wei Guo , Kai Cheng , Zhi Li , Yong Liu , Defu Lian , Enhong Chen

Multi-Target Cross Domain Recommendation(CDR) has attracted a surge of interest recently, which intends to improve the recommendation performance in multiple domains (or systems) simultaneously. Most existing multi-target CDR frameworks…

Information Retrieval · Computer Science 2023-02-14 Wujiang Xu , Shaoshuai Li , Mingming Ha , Xiaobo Guo , Qiongxu Ma , Xiaolei Liu , Linxun Chen , Zhenfeng Zhu

Consider the problem of improving the estimation of conditional average treatment effects (CATE) for a target domain of interest by leveraging related information from a source domain with a different feature space. This heterogeneous…

Machine Learning · Computer Science 2022-10-13 Ioana Bica , Mihaela van der Schaar

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…

Information Retrieval · Computer Science 2026-01-27 Junyou He , Lixi Deng , Huichao Guo , Ye Tang , Yong Li , Sulong Xu

Simulated data-assisted SAR target recognition methods are the research hotspot currently, devoted to solving the problem of limited samples. Existing works revolve around simulated images, but the large amount of irrelevant information…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Chenxi Zhao , Daochang Wang , Siqian Zhang , Gangyao Kuang

Current transfer learning methods for high-dimensional linear regression assume feature alignment across domains, restricting their applicability to semantically matched features. In many real-world scenarios, however, distinct features in…

Methodology · Statistics 2025-12-29 Jiancheng Jiang , Xuejun Jiang , Hongxia Jin

In the problem of domain transfer learning, we learn a model for the predic-tion in a target domain from the data of both some source domains and the target domain, where the target domain is in lack of labels while the source domain has…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Guohui Zhang , Gaoyuan Liang , Fang Su , Fanxin Qu , Jing-Yan Wang

Cross-domain Sequential Recommendation (CDSR) aims to extract the preference from the user's historical interactions across various domains. Despite some progress in CDSR, two problems set the barrier for further advancements, i.e., overlap…

Information Retrieval · Computer Science 2025-04-28 Qidong Liu , Xiangyu Zhao , Yejing Wang , Zijian Zhang , Howard Zhong , Chong Chen , Xiang Li , Wei Huang , Feng Tian

Previous transfer learning methods based on deep network assume the knowledge should be transferred between the same hidden layers of the source domain and the target domains. This assumption doesn't always hold true, especially when the…

Machine Learning · Computer Science 2018-09-25 Jianzhe Lin , Qi Wang , Rabab Ward , Z. Jane Wang

The increasing availability and diversity of multimodal data in recommender systems offer new avenues for enhancing recommendation accuracy and user satisfaction. However, these systems must contend with high-dimensional, sparse user-item…

Information Retrieval · Computer Science 2024-12-04 Yasser Khalafaoui , Martino Lovisetto , Basarab Matei , Nistor Grozavu

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…

Information Retrieval · Computer Science 2022-03-18 Xu Chen , Ya Zhang , Ivor Tsang , Yuangang Pan , Jingchao Su

Click-Through Rate (CTR) prediction, a core task in recommendation systems, aims to estimate the probability of users clicking on items. Existing models predominantly follow a discriminative paradigm, which relies heavily on explicit…

Information Retrieval · Computer Science 2025-12-17 Mingjia Yin , Junwei Pan , Hao Wang , Ximei Wang , Shangyu Zhang , Jie Jiang , Defu Lian , Enhong Chen

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…

Information Retrieval · Computer Science 2024-08-02 Xiaofei Zhu , Yabo Yin , Li Wang

In many practical transfer learning scenarios, the feature distribution is different across the source and target domains (i.e. non-i.i.d.). Maximum mean discrepancy (MMD), as a domain discrepancy metric, has achieved promising performance…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Lei Zhang , Shanshan Wang , Guang-Bin Huang , Wangmeng Zuo , Jian Yang , David Zhang
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