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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

Cross-Domain Few-Shot Learning (CDFSL) endeavors to transfer generalized knowledge from the source domain to target domains using only a minimal amount of training data, which faces a triplet of learning challenges in the meantime, i.e.,…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Tong Zhang , Yifan Zhao , Liangyu Wang , Jia Li

Unsupervised domain adaptation (UDA) aims to learn transferable knowledge from a labeled source domain and adapts a trained model to an unlabeled target domain. To bridge the gap between source and target domains, one prevailing strategy is…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Xu Ma , Junkun Yuan , Yen-wei Chen , Ruofeng Tong , Lanfen Lin

Anisotropic multi-slice Cardiac Magnetic Resonance (CMR) Images are conventionally acquired in patient-specific short-axis (SAX) orientation. In specific cardiovascular diseases that affect right ventricular (RV) morphology, acquisitions in…

Recent cross-domain recommendation (CDR) studies assume that disentangled domain-shared and domain-specific user representations can mitigate domain gaps and facilitate effective knowledge transfer. However, achieving perfect…

信息检索 · 计算机科学 2024-11-27 Jing Du , Zesheng Ye , Bin Guo , Zhiwen Yu , Jia Wu , Jian Yang , Michael Sheng , Lina Yao

Sequential recommendation systems predict the next interaction item based on users' past interactions, aligning recommendations with individual preferences. Leveraging the strengths of Large Language Models (LLMs) in knowledge comprehension…

信息检索 · 计算机科学 2025-01-22 Xiaoyu Kong , Jiancan Wu , An Zhang , Leheng Sheng , Hui Lin , Xiang Wang , Xiangnan He

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) is an important method to improve recommender system performance, especially when observations in target domains are sparse. However, most existing cross-domain recommendations fail to fully utilize the…

信息检索 · 计算机科学 2024-01-23 Yuhao Luo , Shiwei Ma , Mingjun Nie , Changping Peng , Zhangang Lin , Jingping Shao , Qianfang Xu

As segmentation labels are scarce, extensive researches have been conducted to train segmentation networks with domain adaptation, semi-supervised or self-supervised learning techniques to utilize abundant unlabeled dataset. However, these…

图像与视频处理 · 电气工程与系统科学 2022-10-12 Yujin Oh , Jong Chul Ye

Domain adaptation on time series data is an important but challenging task. Most of the existing works in this area are based on the learning of the domain-invariant representation of the data with the help of restrictions like MMD.…

机器学习 · 计算机科学 2021-06-18 Ruichu Cai , Jiawei Chen , Zijian Li , Wei Chen , Keli Zhang , Junjian Ye , Zhuozhang Li , Xiaoyan Yang , Zhenjie Zhang

Personalized sequential recommendation aims to predict appropriate items for users based on their behavioral sequences. To alleviate data sparsity and interest drift issues, conventional approaches typically incorporate auxiliary behaviors…

信息检索 · 计算机科学 2025-08-08 Yongfu Zha , Xinxin Dong , Haokai Ma , Yonghui Yang , Xiaodong Wang

One of the main challenges in Recommender Systems (RSs) is the New User problem which happens when the system has to generate personalised recommendations for a new user whom the system has no information about. Active Learning tries to…

信息检索 · 计算机科学 2017-01-10 Roberto Pagano , Massimo Quadrana , Mehdi Elahi , Paolo Cremonesi

Aspect-based sentiment analysis (ABSA) has made significant strides, yet challenges remain for low-resource languages due to the predominant focus on English. Current cross-lingual ABSA studies often centre on simpler tasks and rely heavily…

计算与语言 · 计算机科学 2025-08-15 Jakub Šmíd , Pavel Přibáň , Pavel Král

Most few-shot learning works rely on the same domain assumption between the base and the target tasks, hindering their practical applications. This paper proposes an adaptive transformer network (ADAPTER), a simple but effective solution…

Transferring knowledges learned from multiple source domains to target domain is a more practical and challenging task than conventional single-source domain adaptation. Furthermore, the increase of modalities brings more difficulty in…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Hang Wang , Minghao Xu , Bingbing Ni , Wenjun Zhang

Cross-domain recommendation aims to leverage knowledge from multiple domains to alleviate the data sparsity and cold-start problems in traditional recommender systems. One popular paradigm is to employ overlapping user representations to…

信息检索 · 计算机科学 2023-01-30 Chuang Zhao , Hongke Zhao , Ming He , Jian Zhang , Jianping Fan

Click-through rate (CTR) prediction is one of the fundamental tasks in the industry, especially in e-commerce, social media, and streaming media. It directly impacts website revenues, user satisfaction, and user retention. However,…

信息检索 · 计算机科学 2024-08-20 Zhiming Yang , Haining Gao , Dehong Gao , Luwei Yang , Libin Yang , Xiaoyan Cai , Wei Ning , Guannan Zhang

Cross-Domain Sequential Recommendation (CDSR) leverages user behaviors across multiple domains to mitigate data sparsity and cold-start challenges in Single-Domain Sequential Recommendation. Existing methods primarily rely on shared users…

信息检索 · 计算机科学 2025-06-02 Xuying Ning , Wujiang Xu , Tianxin Wei , Xiaolei Liu

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

Existing domain adaptation focuses on transferring knowledge between domains with categorical indices (e.g., between datasets A and B). However, many tasks involve continuously indexed domains. For example, in medical applications, one…

机器学习 · 计算机科学 2020-09-01 Hao Wang , Hao He , Dina Katabi