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With the proliferation of mobile sensing techniques, huge amounts of time series data are generated and accumulated in various domains, fueling plenty of real-world applications. In this setting, time series anomaly detection is practically…

机器学习 · 计算机科学 2024-07-08 Ronghui Xu , Hao Miao , Senzhang Wang , Philip S. Yu , Jianxin Wang

This paper addresses the challenge of mitigating data heterogeneity among clients within a Federated Learning (FL) framework. The model-drift issue, arising from the noniid nature of client data, often results in suboptimal personalization…

Federated learning has emerged as a promising approach for training machine learning models on decentralized data sources while preserving data privacy. However, challenges such as communication bottlenecks, heterogeneity of client devices,…

机器学习 · 计算机科学 2023-12-27 Anna Vettoruzzo , Mohamed-Rafik Bouguelia , Thorsteinn Rögnvaldsson

Federated learning (FL) aims to collaboratively train the global model in a distributed manner by sharing the model parameters from local clients to a central server, thereby potentially protecting users' private information. Nevertheless,…

机器学习 · 计算机科学 2023-02-17 Zhe Li , Honglong Chen , Zhichen Ni , Huajie Shao

Due to the scarcity of industrial data, individual equipment users, particularly start-ups, struggle to independently train a comprehensive fault diagnosis model; federated learning enables collaborative training while ensuring data…

人工智能 · 计算机科学 2026-04-10 Zexiao Wang , Yankai Wang , Xiaoqiang Liao , Xinguo Ming , Weiming Shen

The heterogeneity of hardware and data is a well-known and studied problem in the community of Federated Learning (FL) as running under heterogeneous settings. Recently, custom-size client models trained with Knowledge Distillation (KD) has…

机器学习 · 计算机科学 2022-11-15 Hongrui Shi , Valentin Radu , Po Yang

Due to the increasing privacy concerns and data regulations, training data have been increasingly fragmented, forming distributed databases of multiple "data silos" (e.g., within different organizations and countries). To develop effective…

机器学习 · 计算机科学 2021-10-29 Qinbin Li , Yiqun Diao , Quan Chen , Bingsheng He

The performance of federated learning in neural networks is generally influenced by the heterogeneity of the data distribution. For a well-performing global model, taking a weighted average of the local models, as done by most existing…

机器学习 · 计算机科学 2022-05-03 Xinjia Li , Boyu Chen , Wenlian Lu

Federated learning (FL) is an emerging technique used to collaboratively train a global machine learning model while keeping the data localized on the user devices. The main obstacle to FL's practical implementation is the Non-Independent…

机器学习 · 计算机科学 2022-08-01 Hiep Nguyen , Lam Phan , Harikrishna Warrier , Yogesh Gupta

Federated Learning is a novel framework that allows multiple devices or institutions to train a machine learning model collaboratively while preserving their data private. This decentralized approach is prone to suffer the consequences of…

机器学习 · 计算机科学 2021-11-29 Marcos F. Criado , Fernando E. Casado , Roberto Iglesias , Carlos V. Regueiro , Senén Barro

Attribute skew in federated learning leads local models to focus on learning non-causal associations, guiding them towards inconsistent optimization directions, which inevitably results in performance degradation and unstable convergence.…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Zhuang Qi , Runhui Zhang , Lei Meng , Wei Wu , Yachong Zhang , Xiangxu Meng

Federated learning improves data privacy and efficiency in machine learning performed over networks of distributed devices, such as mobile phones, IoT and wearable devices, etc. Yet models trained with federated learning can still fail to…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Xingchao Peng , Zijun Huang , Yizhe Zhu , Kate Saenko

Federated Learning(FL) is popular as a privacy-preserving machine learning paradigm for generating a single model on decentralized data. However, statistical heterogeneity poses a significant challenge for FL. As a subfield of FL,…

机器学习 · 计算机科学 2024-10-22 Keting Yin , Jiayi Mao

Federated Distillation (FD) is a popular novel algorithmic paradigm for Federated Learning, which achieves training performance competitive to prior parameter averaging based methods, while additionally allowing the clients to train…

机器学习 · 计算机科学 2021-02-05 Felix Sattler , Tim Korjakow , Roman Rischke , Wojciech Samek

Federated Learning (FL) enables local devices to collaboratively learn a shared predictive model by only periodically sharing model parameters with a central aggregator. However, FL can be disadvantaged by statistical heterogeneity produced…

Clustered Federated Learning (CFL) addresses the challenges posed by non-IID data by training multiple group- or cluster-specific expert models. However, existing methods often overlook the shared information across clusters, which…

机器学习 · 计算机科学 2025-06-26 Zeqi Leng , Chunxu Zhang , Guodong Long , Riting Xia , Bo Yang

Developing a generalized segmentation model capable of simultaneously delineating multiple organs and diseases is highly desirable. Federated learning (FL) is a key technology enabling the collaborative development of a model without…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Pochuan Wang , Chen Shen , Weichung Wang , Masahiro Oda , Chiou-Shann Fuh , Kensaku Mori , Holger R. Roth

Data allocation plays a critical role in federated large language model (LLM) and small language models (SLMs) reasoning collaboration. Nevertheless, existing data allocation methods fail to address an under-explored challenge in…

人工智能 · 计算机科学 2026-02-24 Wei Guo , Siyuan Lu , Xiangdong Ran , Yiqi Tong , Yikun Ban , Zelong Xu , Jing Fan , Zixuan Huang , Xiao Zhang , Zhaojun Hu , Fuzhen Zhuang

Recently, Federated Graph Learning (FGL) has attracted significant attention as a distributed framework based on graph neural networks, primarily due to its capability to break data silos. Existing FGL studies employ community split on the…

机器学习 · 计算机科学 2024-01-23 Xunkai Li , Zhengyu Wu , Wentao Zhang , Henan Sun , Rong-Hua Li , Guoren Wang

Knowledge distillation (KD) is a key technique for compressing large-scale language models (LLMs), yet prevailing logit-based methods typically employ static strategies that are misaligned with the dynamic learning process of student…

计算与语言 · 计算机科学 2025-10-14 Xurong Xie , Zhucun Xue , Jiafu Wu , Jian Li , Yabiao Wang , Xiaobin Hu , Yong Liu , Jiangning Zhang