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Recent sequential recommendation models have combined pre-trained text embeddings of items with item ID embeddings to achieve superior recommendation performance. Despite their effectiveness, the expressive power of text features in these…

Information Retrieval · Computer Science 2024-02-19 Lingzi Zhang , Xin Zhou , Zhiwei Zeng , Zhiqi Shen

Personalized News Recommendation systems (PNR) have emerged as a solution to information overload by predicting and suggesting news items tailored to individual user interests. However, traditional PNR systems face several challenges,…

Social and Information Networks · Computer Science 2025-07-24 Mehdi Khalaj , Shahrzad Golestani Najafabadi , Julita Vassileva

We propose using federated learning, a decentralized on-device learning paradigm, to train speech recognition models. By performing epochs of training on a per-user basis, federated learning must incur the cost of dealing with non-IID data…

Machine Learning · Computer Science 2021-05-18 Dhruv Guliani , Francoise Beaufays , Giovanni Motta

Person Re-identification (ReID) has been extensively studied in recent years due to the increasing demand in public security. However, collecting and dealing with sensitive personal data raises privacy concerns. Therefore, federated…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Jianfeng Weng , Kun Hu , Tingting Yao , Jingya Wang , Zhiyong Wang

We introduce a collaborative learning framework allowing multiple parties having different sets of attributes about the same user to jointly build models without exposing their raw data or model parameters. In particular, we propose a…

Machine Learning · Computer Science 2020-08-03 Yang Liu , Yan Kang , Xinwei Zhang , Liping Li , Yong Cheng , Tianjian Chen , Mingyi Hong , Qiang Yang

Classical sequential recommendation models generally adopt ID embeddings to store knowledge learned from user historical behaviors and represent items. However, these unique IDs are challenging to be transferred to new domains. With the…

Information Retrieval · Computer Science 2024-05-08 Yiqing Wu , Ruobing Xie , Zhao Zhang , Fuzhen Zhuang , Xu Zhang , Leyu Lin , Zhanhui Kang , Yongjun Xu

Modern recommendation systems face significant challenges in processing multimodal sequential data, particularly in temporal dynamics modeling and information flow coordination. Traditional approaches struggle with distribution…

Information Retrieval · Computer Science 2025-08-29 Maolin Wang , Yutian Xiao , Binhao Wang , Sheng Zhang , Shanshan Ye , Wanyu Wang , Hongzhi Yin , Ruocheng Guo , Zenglin Xu

Effective recommendation is crucial for large-scale online platforms. Traditional recommendation systems primarily rely on ID tokens to uniquely identify items, which can effectively capture specific item relationships but suffer from…

Information Retrieval · Computer Science 2025-02-25 Guanyu Lin , Zhigang Hua , Tao Feng , Shuang Yang , Bo Long , Jiaxuan You

Recommending cold-start items is a long-standing and fundamental challenge in recommender systems. Without any historical interaction on cold-start items, CF scheme fails to use collaborative signals to infer user preference on these items.…

Information Retrieval · Computer Science 2021-07-16 Yinwei Wei , Xiang Wang , Qi Li , Liqiang Nie , Yan Li , Xuanping Li , Tat-Seng Chua

Sequential recommendation aims to capture user preferences by modeling sequential patterns in user-item interactions. However, these models are often influenced by noise such as accidental interactions, leading to suboptimal performance.…

Information Retrieval · Computer Science 2025-10-07 Tongzhou Wu , Yuhao Wang , Maolin Wang , Chi Zhang , Xiangyu Zhao

Federated learning is widely used to learn intelligent models from decentralized data. In federated learning, clients need to communicate their local model updates in each iteration of model learning. However, model updates are large in…

Machine Learning · Computer Science 2022-05-04 Chuhan Wu , Fangzhao Wu , Lingjuan Lyu , Yongfeng Huang , Xing Xie

Federated learning is a powerful distributed learning scheme that allows numerous edge devices to collaboratively train a model without sharing their data. However, training is resource-intensive for edge devices, and limited network…

Machine Learning · Computer Science 2024-10-25 Hui-Po Wang , Sebastian U. Stich , Yang He , Mario Fritz

Federated recommender systems (FedRecSys) have emerged as a pivotal solution for privacy-aware recommendations, balancing growing demands for data security and personalized experiences. Current research efforts predominantly concentrate on…

Information Retrieval · Computer Science 2025-04-11 Chunxu Zhang , Guodong Long , Zijian Zhang , Zhiwei Li , Honglei Zhang , Qiang Yang , Bo Yang

The increasingly stringent regulations on privacy protection have sparked interest in federated learning. As a distributed machine learning framework, it bridges isolated data islands by training a global model over devices while keeping…

Information Retrieval · Computer Science 2022-05-27 Zhitao Zhu , Shijing Si , Jianzong Wang , Jing Xiao

Recent advancements in generative recommendation systems, particularly in the realm of sequential recommendation tasks, have shown promise in enhancing generalization to new items. Among these approaches, diffusion-based generative…

Information Retrieval · Computer Science 2024-10-23 Guoqing Hu , Zhengyi Yang , Zhibo Cai , An Zhang , Xiang Wang

Federated sequential recommendation distributes model training across user devices so that behavioural data remains local, reducing privacy risks. Yet, this setting introduces two intertwined difficulties. On the one hand, individual…

Information Retrieval · Computer Science 2026-03-02 Minh Hieu Nguyen

Federated learning enables training a global model from data located at the client nodes, without data sharing and moving client data to a centralized server. Performance of federated learning in a multi-access edge computing (MEC) network…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-05-11 Saurav Prakash , Sagar Dhakal , Mustafa Akdeniz , Yair Yona , Shilpa Talwar , Salman Avestimehr , Nageen Himayat

Large language models have recently shown promise for multimodal recommendation, particularly with text and image inputs. Yet real-world recommendation signals extend far beyond these modalities. To reflect this, we formalize recommendation…

Information Retrieval · Computer Science 2026-05-01 Zijie Lei , Tao Feng , Zhigang Hua , Yan Xie , Guanyu Lin , Shuang Yang , Ge Liu , Jiaxuan You

With the explosive growth of Internet data, users are facing the problem of information overload, which makes it a challenge to efficiently obtain the required resources. Recommendation systems have emerged in this context. By filtering…

Information Retrieval · Computer Science 2024-10-22 Wenyi Liu , Rui Wang , Yuanshuai Luo , Jianjun Wei , Zihao Zhao , Junming Huang

Federated learning (FL) has been recognized as a viable solution for local-privacy-aware collaborative model training in wireless edge networks, but its practical deployment is hindered by the high communication overhead caused by frequent…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-22 Shuai Wang , Yanqing Xu , Chaoqun You , Mingjie Shao , Tony Q. S. Quek