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Data sparsity has been one of the long-standing problems for recommender systems. One of the solutions to mitigate this issue is to exploit knowledge available in other source domains. However, many cross-domain recommender systems…

信息检索 · 计算机科学 2024-09-25 Abdulaziz Samra , Evgeney Frolov , Alexey Vasilev , Alexander Grigorievskiy , Anton Vakhrushev

Recently, large language models (LLMs) have been explored for integration with collaborative filtering (CF)-based recommendation systems, which are crucial for personalizing user experiences. However, a key challenge is that LLMs struggle…

信息检索 · 计算机科学 2025-10-20 Chao Wang , Yixin Song , Jinhui Ye , Chuan Qin , Dazhong Shen , Lingfeng Liu , Xiang Wang , Yanyong Zhang

Deep learning models have achieved great success on various vision challenges, but a well-trained model would face drastic performance degradation when applied to unseen data. Since the model is sensitive to domain shift, unsupervised…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Ziyu Ye , Chen Ju , Chaofan Ma , Xiaoyun Zhang

Sentiment analysis is a costly yet necessary task for enterprises to study the opinions of their customers to improve their products and to determine optimal marketing strategies. Due to the existence of a wide range of domains across…

计算与语言 · 计算机科学 2021-07-06 Mohammad Rostami , Aram Galstyan

Cross-silo Federated learning (FL) has become a promising tool in machine learning applications for healthcare. It allows hospitals/institutions to train models with sufficient data while the data is kept private. To make sure the FL model…

机器学习 · 计算机科学 2022-09-12 Aoxiao Zhong , Hao He , Zhaolin Ren , Na Li , Quanzheng Li

In the evolving landscape of recommender systems, the challenge of effectively conducting privacy-preserving Cross-Domain Recommendation (CDR), especially under strict non-overlapping constraints, has emerged as a key focus. Despite…

信息检索 · 计算机科学 2025-04-01 Ziang Lu , Lei Guo , Xu Yu , Zhiyong Cheng , Xiaohui Han , Lei Zhu

Recently, graph neural networks (GNNs) have been successfully applied to recommender systems. In recommender systems, the user's feedback behavior on an item is usually the result of multiple factors acting at the same time. However, a…

信息检索 · 计算机科学 2020-07-14 Dongbo Xi , Fuzhen Zhuang , Yongchun Zhu , Pengpeng Zhao , Xiangliang Zhang , Qing He

Collaborative filtering (CF) and content-based filtering (CBF) have widely been used in information filtering applications. Both approaches have their strengths and weaknesses which is why researchers have developed hybrid systems. This…

机器学习 · 计算机科学 2012-12-12 Kai Yu , Anton Schwaighofer , Volker Tresp , Wei-Ying Ma , HongJiang Zhang

Domain adaptation is a sub-field of machine learning that involves transferring knowledge from a source domain to perform the same task in the target domain. It is a typical challenge in machine learning that arises, e.g., when data is…

机器学习 · 计算机科学 2025-01-09 Philipp Spitzer , Dominik Martin , Laurin Eichberger , Niklas Kühl

Recently unsupervised domain adaptation for the semantic segmentation task has become more and more popular due to high-cost of pixel-level annotation on real-world images. However, most domain adaptation methods are only restricted to…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Takashi Isobe , Xu Jia , Shuaijun Chen , Jianzhong He , Yongjie Shi , Jianzhuang Liu , Huchuan Lu , Shengjin Wang

Continuous Domain Adaptation (CDA) effectively bridges significant domain shifts by progressively adapting from the source domain through intermediate domains to the target domain. However, selecting intermediate domains without explicit…

机器学习 · 计算机科学 2025-10-14 Hanbing Liu , Huaze Tang , Yanru Wu , Yang Li , Xiao-Ping Zhang

Cross-domain Recommendation systems leverage multi-domain user interactions to improve performance, especially in sparse data or new user scenarios. However, CDR faces challenges such as effectively capturing user preferences and avoiding…

信息检索 · 计算机科学 2024-10-10 Junxiong Tong , Mingjia Yin , Hao Wang , Qiushi Pan , Defu Lian , Enhong Chen

Traditional Collaborative Filtering (CF) based methods are applied to understand the personal preferences of users/customers for items or products from the rating matrix. Usually, the rating matrix is sparse in nature. So there are some…

信息检索 · 计算机科学 2022-10-12 Supriyo Mandal , Abyayananda Maiti

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

Collaborative filtering (CF) has been successfully used to provide users with personalized products and services. However, dealing with the increasing sparseness of user-item matrix still remains a challenge. To tackle such issue, hybrid CF…

信息检索 · 计算机科学 2017-06-14 Shuai Zhang , Lina Yao , Xiwei Xu

Cross-domain recommendation (CDR) has demonstrated to be an effective solution for alleviating the user cold-start issue. By leveraging rich user-item interactions available in a richly informative source domain, CDR could improve the…

信息检索 · 计算机科学 2026-04-29 Xiaodong Li , Jiawei Sheng , Jiangxia Cao , Xinghua Zhang , Wenyuan Zhang , Yong Sun , Shirui Pan , Zhihong Tian , Tingwen Liu

Cross-domain sequential recommendation (CDSR) shifts the modeling of user preferences from flat to stereoscopic by integrating and learning interaction information from multiple domains at different granularities (ranging from…

信息检索 · 计算机科学 2024-08-27 Shu Chen , Zitao Xu , Weike Pan , Qiang Yang , Zhong Ming

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

Recommender systems are used with the purpose of suggesting contents and resources to the users in a social network. These systems use ranks or tags each user assign to different resources to predict or make suggestions to users. Lately,…

社会与信息网络 · 计算机科学 2021-05-05 Hossein Monshizadeh Naeen , Mehrdad Jalali

Recently, deep neural networks have gained increasing popularity in the field of time series forecasting. A primary reason for their success is their ability to effectively capture complex temporal dynamics across multiple related time…

机器学习 · 计算机科学 2022-06-23 Xiaoyong Jin , Youngsuk Park , Danielle C. Maddix , Hao Wang , Yuyang Wang