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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

Fine-tuning is a popular way of exploiting knowledge contained in a pre-trained convolutional network for a new visual recognition task. However, the orthogonal setting of transferring knowledge from a pretrained network to a visually…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Amelie Royer , Christoph H. Lampert

Cross-domain recommendation (CDR) aims to provide better recommendation results in the target domain with the help of the source domain, which is widely used and explored in real-world systems. However, CDR in the matching (i.e., candidate…

信息检索 · 计算机科学 2022-06-22 Ruobing Xie , Qi Liu , Liangdong Wang , Shukai Liu , Bo Zhang , Leyu Lin

Cross-Domain Recommendation (CDR) and Cross-System Recommendations (CSR) are two of the promising solutions to address the long-standing data sparsity problem in recommender systems. They leverage the relatively richer information, e.g.,…

机器学习 · 计算机科学 2020-09-15 Feng Zhu , Yan Wang , Chaochao Chen , Guanfeng Liu , Mehmet Orgun , Jia Wu

Cross-Domain Sequential Recommendation (CDSR) methods aim to tackle the data sparsity and cold-start problems present in Single-Domain Sequential Recommendation (SDSR). Existing CDSR works design their elaborate structures relying on…

信息检索 · 计算机科学 2024-04-15 Wujiang Xu , Qitian Wu , Runzhong Wang , Mingming Ha , Qiongxu Ma , Linxun Chen , Bing Han , Junchi Yan

Conversational recommender systems (CRS) explicitly solicit users' preferences for improved recommendations on the fly. Most existing CRS solutions count on a single policy trained by reinforcement learning for a population of users.…

人工智能 · 计算机科学 2023-02-17 Zhendong Chu , Hongning Wang , Yun Xiao , Bo Long , Lingfei Wu

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

Recommender Systems (RSs) are operated locally by different organizations in many realistic scenarios. If various organizations can fully share their data and perform computation in a centralized manner, they may significantly improve the…

信息检索 · 计算机科学 2022-11-08 Enmao Diao , Vahid Tarokh , Jie Ding

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…

信息检索 · 计算机科学 2023-02-14 Wujiang Xu , Shaoshuai Li , Mingming Ha , Xiaobo Guo , Qiongxu Ma , Xiaolei Liu , Linxun Chen , Zhenfeng Zhu

Unsupervised Domain Adaptation (UDA) aims to leverage a label-rich source domain to solve tasks on a related unlabeled target domain. It is a challenging problem especially when a large domain gap lies between the source and target domains.…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Tao Sun , Cheng Lu , Tianshuo Zhang , Haibin Ling

Fine-tuning pre-trained neural network models has become a widely adopted approach across various domains. However, it can lead to the distortion of pre-trained feature extractors that already possess strong generalization capabilities.…

机器学习 · 计算机科学 2024-03-27 Seokhyeon Ha , Sunbeom Jung , Jungwoo Lee

Semantic segmentation requires a lot of training data, which necessitates costly annotation. There have been many studies on unsupervised domain adaptation (UDA) from one domain to another, e.g., from computer graphics to real images.…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Zhijie Wang , Xing Liu , Masanori Suganuma , Takayuki Okatani

Cross domain recommender systems have been increasingly valuable for helping consumers identify useful items in different applications. However, existing cross-domain models typically require large number of overlap users, which can be…

信息检索 · 计算机科学 2021-04-21 Pan Li , Alexander Tuzhilin

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

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 (RSs) are exploited by various business enterprises to suggest their products (items) to consumers (users). Collaborative filtering (CF) is a widely used variant of RSs which learns hidden patterns from user-item…

信息检索 · 计算机科学 2026-03-17 Nikita Baidya , Bidyut Kr. Patra , Ratnakar Dash

Breakthroughs in unsupervised domain adaptation (uDA) can help in adapting models from a label-rich source domain to unlabeled target domains. Despite these advancements, there is a lack of research on how uDA algorithms, particularly those…

机器学习 · 计算机科学 2021-12-28 Shaoduo Gan , Akhil Mathur , Anton Isopoussu , Fahim Kawsar , Nadia Berthouze , Nicholas Lane

Federated cross-domain recommendation (Federated CDR) aims to collaboratively learn personalized recommendation models across heterogeneous domains while preserving data privacy. Recently, large language model (LLM)-based recommendation…

信息检索 · 计算机科学 2026-02-19 Xinrui He , Ting-Wei Li , Tianxin Wei , Xuying Ning , Xinyu He , Wenxuan Bao , Hanghang Tong , Jingrui He

Sequential recommendation is a popular paradigm in modern recommender systems. In particular, one challenging problem in this space is cross-domain sequential recommendation (CDSR), which aims to predict future behaviors given user…

Recommender systems frequently encounter data sparsity issues, particularly when addressing cold-start scenarios involving new users or items. Multi-source cross-domain recommendation (CDR) addresses these challenges by transferring…

信息检索 · 计算机科学 2025-10-07 Lili Xie , Yi Zhang , Ruihong Qiu , Jiajun Liu , Sen Wang