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The estimation of conditional average treatment effects (CATEs) is an important topic in many scientific fields. CATEs can be estimated with high accuracy if data distributed across multiple parties are centralized. However, it is difficult…

统计方法学 · 统计学 2025-07-28 Yuji Kawamata , Ryoki Motai , Yukihiko Okada , Akira Imakura , Tetsuya Sakurai

Federated Collaborative Filtering (FedCF) is an emerging field focused on developing a new recommendation framework with preserving privacy in a federated setting. Existing FedCF methods typically combine distributed Collaborative Filtering…

信息检索 · 计算机科学 2024-12-11 Zhiwei Li , Guodong Long , Tianyi Zhou , Jing Jiang , Chengqi Zhang

This work considers the problem of Distributed Mean Estimation (DME) over networks with intermittent connectivity, where the goal is to learn a global statistic over the data samples localized across distributed nodes with the help of a…

信息论 · 计算机科学 2023-03-02 Rajarshi Saha , Mohamed Seif , Michal Yemini , Andrea J. Goldsmith , H. Vincent Poor

We present the Bayesian consensus filter (BCF) for tracking a moving target using a networked group of sensing agents and achieving consensus on the best estimate of the probability distributions of the target's states. Our BCF framework…

最优化与控制 · 数学 2016-10-14 Saptarshi Bandyopadhyay , Soon-Jo Chung

Decentralized federated learning (DFL) has emerged as a transformative server-free paradigm that enables collaborative learning over large-scale heterogeneous networks. However, it continues to face fundamental challenges, including data…

机器学习 · 计算机科学 2026-03-03 Shan Sha , Shenglong Zhou , Xin Wang , Lingchen Kong , Geoffrey Ye Li

To reduce the human intervention in the preference measure process,this article proposes a preference collaborative measure framework based on an updated belief system,which is also capable of improving the accuracy and efficiency of…

人工智能 · 计算机科学 2025-04-01 Hang Yu , Wei Wei , Zheng Tan , Jing-lei Liu

Modern multi-layer networks are commonly stored and analyzed in a local and distributed fashion because of the privacy, ownership, and communication costs. The literature on the model-based statistical methods for community detection based…

社会与信息网络 · 计算机科学 2024-10-22 Xiao Guo , Xiang Li , Xiangyu Chang , Shujie Ma

A primary goal of online deliberation platforms is to identify ideas that are broadly agreeable to a community of users through their expressed preferences. Yet, consensus elicitation should ideally extend beyond the specific statements…

机器学习 · 计算机科学 2026-04-24 Carter Blair , Ben Armstrong , Shiri Alouf-Heffetz , Nimrod Talmon , Davide Grossi

Privacy-preserving computing is crucial for multi-center machine learning in many applications such as healthcare and finance. In this paper a Multi-center Privacy Computing framework with Predictions Aggregation (MPCPA) based on denoising…

分布式、并行与集群计算 · 计算机科学 2024-03-13 Guibo Luo , Hanwen Zhang , Xiuling Wang , Mingzhi Chen , Yuesheng Zhu

This paper proposes a distributed algorithm for average consensus in a multi-agent system under a fixed bidirectional communication topology, in the presence of malicious agents (nodes) that may try to influence the average consensus…

多智能体系统 · 计算机科学 2023-09-06 Christoforos N. Hadjicostis , Alejandro D. Dominguez-Garcia

Distributed machine learning is an approach allowing different parties to learn a model over all data sets without disclosing their own data. In this paper, we propose a weighted distributed differential privacy (WD-DP) empirical risk…

机器学习 · 计算机科学 2021-10-22 Yilin Kang , Yong Liu , Weiping Wang

Distributed Mean Estimation (DME) is a central building block in federated learning, where clients send local gradients to a parameter server for averaging and updating the model. Due to communication constraints, clients often use lossy…

机器学习 · 计算机科学 2022-06-16 Shay Vargaftik , Ran Ben Basat , Amit Portnoy , Gal Mendelson , Yaniv Ben-Itzhak , Michael Mitzenmacher

This article proposes a communication-efficient decentralized deep learning algorithm, coined layer-wise federated group ADMM (L-FGADMM). To minimize an empirical risk, every worker in L-FGADMM periodically communicates with two neighbors,…

机器学习 · 计算机科学 2020-07-07 Anis Elgabli , Jihong Park , Sabbir Ahmed , Mehdi Bennis

Distributed median consensus has emerged as a critical paradigm in multi-agent systems due to the inherent robustness of the median against outliers and anomalies in measurement. Despite the sensitivity of the data involved, the development…

信号处理 · 电气工程与系统科学 2025-03-14 Wenrui Yu , Qiongxiu Li , Richard Heusdens , Sokol Kosta

Nowadays, with the development of multi-sensor networks, the distributed cubature Kalman filter is one of the well-known existing schemes for state estimation, for which the influence of the non-Gaussian noise, abnormal data, and…

信号处理 · 电气工程与系统科学 2025-11-24 Duc Viet Nguyen , Haiquan Zhao , Jinhui Hu

We propose a framework in which multiple entities collaborate to build a machine learning model while preserving privacy of their data. The approach utilizes feature embeddings from shared/per-entity feature extractors transforming data…

机器学习 · 计算机科学 2022-12-14 Alireza Sarmadi , Hao Fu , Prashanth Krishnamurthy , Siddharth Garg , Farshad Khorrami

Data sharing barriers are paramount challenges arising from multicenter clinical studies where multiple data sources are stored in a distributed fashion at different local study sites. Particularly in the case of time-to-event analysis when…

应用统计 · 统计学 2024-09-10 Mengtong Hu , Xu Shi , Peter X. -K. Song

Machine learning has become integral to medical research and is increasingly applied in clinical settings to support diagnosis and decision-making; however, its effectiveness depends on access to large, diverse datasets, which are limited…

机器学习 · 计算机科学 2026-04-21 Ke Wan , Kensuke Tanioka , Toshio Shimokawa

This paper will focus on the process of 'fusing' several observations or models of uncertainty into a single resultant model. Many existing approaches to fusion use subjective quantities such as 'strengths of belief' and process these…

人工智能 · 计算机科学 2020-07-28 Shawn C. Eastwood , Svetlana N. Yanushkevich

We consider a decentralized detection network whose aim is to infer a public hypothesis of interest. However, the raw sensor observations also allow the fusion center to infer private hypotheses that we wish to protect. We consider the case…

信息论 · 计算机科学 2019-05-10 Meng Sun , Wee Peng Tay