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Cross-domain recommendation (CDR) aims to address the data-sparsity problem by transferring knowledge across domains. Existing CDR methods generally assume that the user-item interaction data is shareable between domains, which leads to…

Information Retrieval · Computer Science 2024-08-28 Li Wang , Shoujin Wang , Quangui Zhang , Qiang Wu , Min Xu

Cross-domain recommendation (CDR), aiming to extract and transfer knowledge across domains, has attracted wide attention for its efficacy in addressing data sparsity and cold-start problems. Despite significant advances in representation…

Information Retrieval · Computer Science 2024-04-02 Luankang Zhang , Hao Wang , Suojuan Zhang , Mingjia Yin , Yongqiang Han , Jiaqing Zhang , Defu Lian , Enhong Chen

In e-commerce platforms, the relevant recommendation is a unique scenario providing related items for a trigger item that users are interested in. However, users' preferences for the similarity and diversity of recommendation results are…

Information Retrieval · Computer Science 2023-08-22 Wei Dai , Yingmin Su , Xiaofeng Pan

Cross-domain sequential recommendation is an important development direction of recommender systems. It combines the characteristics of sequential recommender systems and cross-domain recommender systems, which can capture the dynamic…

Information Retrieval · Computer Science 2024-01-30 Zhaohao Lin , Weike Pan , Zhong Ming

Cross-domain sequential recommendation (CDSR) alleviates interaction sparsity by jointly modeling user behaviors across multiple domains. While current studies have made some progresses, they still neglect two issues that severely impact…

Information Retrieval · Computer Science 2026-05-05 Zhida Qin , Zemu Liu , Haoyan Fu , Chong Zhang , Tianyu Huang , Yidong Li , Gangyi Ding

Using the shared-private paradigm and adversarial training has significantly improved the performances of multi-domain text classification (MDTC) models. However, there are two issues for the existing methods. First, instances from the…

Computation and Language · Computer Science 2021-02-02 Yuan Wu , Diana Inkpen , Ahmed El-Roby

The main function of depth completion is to compensate for an insufficient and unpredictable number of sparse depth measurements of hardware sensors. However, existing research on depth completion assumes that the sparsity -- the number of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Jinyoung Jun , Jae-Han Lee , Chang-Su Kim

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…

Machine Learning · Computer Science 2024-09-04 Hongyu Zhang , Dongyi Zheng , Lin Zhong , Xu Yang , Jiyuan Feng , Yunqing Feng , Qing Liao

Collaborative filtering is an effective recommendation approach in which the preference of a user on an item is predicted based on the preferences of other users with similar interests. A big challenge in using collaborative filtering…

Information Retrieval · Computer Science 2012-03-19 Yu Zhang , Bin Cao , Dit-Yan Yeung

Multi-behavior recommendation exploits multiple types of user-item interactions to alleviate the data sparsity problem faced by the traditional models that often utilize only one type of interaction for recommendation. In real scenarios,…

Information Retrieval · Computer Science 2023-07-13 Mingshi Yan , Zhiyong Cheng , Chen Gao , Jing Sun , Fan Liu , Fuming Sun , Haojie Li

Multi-domain text classification (MDTC) aims to leverage all available resources from multiple domains to learn a predictive model that can generalize well on these domains. Recently, many MDTC methods adopt adversarial learning,…

Machine Learning · Computer Science 2022-02-01 Yuan Wu , Diana Inkpen , Ahmed El-Roby

Most existing multi-source domain adaptation (MSDA) methods minimize the distance between multiple source-target domain pairs via feature distribution alignment, an approach borrowed from the single source setting. However, with diverse…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Zhongying Deng , Kaiyang Zhou , Yongxin Yang , Tao Xiang

Recently, heatmap regression has been widely explored in facial landmark detection and obtained remarkable performance. However, most of the existing heatmap regression-based facial landmark detection methods neglect to explore the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Jun Wan , Zhihui Lai , Jing Li , Jie Zhou , Can Gao

Collaborative filtering-based recommender systems that rely on a single type of behavior often encounter serious sparsity issues in real-world applications, leading to unsatisfactory performance. Multi-behavior Recommendation (MBR) is a…

Information Retrieval · Computer Science 2023-06-21 Mingshi Yan , Zhiyong Cheng , Jing Sun , Fuming Sun , Yuxin Peng

Cross-domain recommendation (CDR) mitigates data sparsity and cold-start issues in recommendation systems. While recent CDR approaches using graph neural networks (GNNs) capture complex user-item interactions, they rely on manually designed…

Information Retrieval · Computer Science 2025-04-11 Chendi Ge , Xin Wang , Ziwei Zhang , Yijian Qin , Hong Chen , Haiyang Wu , Yang Zhang , Yuekui Yang , Wenwu Zhu

Social recommendation leverages social network to complement user-item interaction data for recommendation task, aiming to mitigate the data sparsity issue in recommender systems. However, existing social recommendation methods encounter…

Information Retrieval · Computer Science 2024-05-09 Wenjie Chen , Yi Zhang , Honghao Li , Lei Sang , Yiwen Zhang

Sparse coding has shown its power as an effective data representation method. However, up to now, all the sparse coding approaches are limited within the single domain learning problem. In this paper, we extend the sparse coding to cross…

Computer Vision and Pattern Recognition · Computer Science 2013-11-28 Jim Jing-Yan Wang

In this work, we propose a new generic multi-modality domain adaptation framework called Progressive Modality Cooperation (PMC) to transfer the knowledge learned from the source domain to the target domain by exploiting multiple modality…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Weichen Zhang , Dong Xu , Jing Zhang , Wanli Ouyang

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…

Information Retrieval · Computer Science 2025-08-08 Yongfu Zha , Xinxin Dong , Haokai Ma , Yonghui Yang , Xiaodong Wang

Shared-account Cross-domain Sequential Recommendation (SCSR) task aims to recommend the next item via leveraging the mixed user behaviors in multiple domains. It is gaining immense research attention as more and more users tend to sign up…

Information Retrieval · Computer Science 2022-09-09 Lei Guo , Jinyu Zhang , Li Tang , Tong Chen , Lei Zhu , Hongzhi Yin
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