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相关论文: Time-to-Event Modeling with Pseudo-Observations in…

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Survival analysis provides a well-established framework for modeling time-to-event data, with hazard and survival functions formally defined as population-level quantities. In applied work, however, these quantities are often interpreted as…

统计方法学 · 统计学 2026-03-26 Xijia Liu

Massive sized survival datasets are becoming increasingly prevalent with the development of the healthcare industry. Such datasets pose computational challenges unprecedented in traditional survival analysis use-cases. A popular way for…

统计方法学 · 统计学 2023-05-09 Nir Keret , Malka Gorfine

Distributed privacy-preserving regression schemes have been developed and extended in various fields, where multiparty collaboratively and privately run optimization algorithms, e.g., Gradient Descent, to learn a set of optimal parameters.…

机器学习 · 计算机科学 2022-10-18 Xinlin Leng , Chenxu Li , Weifeng Xu , Yuyan Sun , Hongtao Wang

In an Internet of Things network, multiple sensors send information to a fusion center for it to infer a public hypothesis of interest. However, the same sensor information may be used by the fusion center to make inferences of a private…

信息论 · 计算机科学 2017-06-30 Meng Sun , Wee Peng Tay , Xin He

Healthcare institutions have access to valuable patient data that could be of great help in the development of improved diagnostic models, but privacy regulations like HIPAA and GDPR prevent hospitals from directly sharing data with one…

机器学习 · 计算机科学 2026-01-27 Farzam Asad , Junaid Saif Khan , Maria Tariq , Sundus Munir , Muhammad Adnan Khan

Causal discovery across multiple datasets is often constrained by data privacy regulations and cross-site heterogeneity, limiting the use of conventional methods that require a single, centralized dataset. To address these challenges, we…

机器学习 · 计算机科学 2026-03-06 Maximilian Hahn , Alina Zajak , Dominik Heider , Adèle Helena Ribeiro

Wearable sensor data offer opportunities for personalized health monitoring, yet deriving actionable insights from their complex, longitudinal data streams is challenging. This paper introduces a framework to learn personalized…

机器学习 · 计算机科学 2025-08-21 Ajan Subramanian , Amir M. Rahmani

In epidemiological studies of time-to-event data, a quantity of interest to the clinician and the patient is the risk of an event given a covariate profile. However, methods relying on time matching or risk-set sampling (including Cox…

统计方法学 · 统计学 2020-09-23 Sahir Rai Bhatnagar , Maxime Turgeon , Jesse Islam , James A. Hanley , Olli Saarela

IMPORTANCE: Time-to-event outcomes are commonly used in clinical trials and biomarker discovery studies and have been primarily analyzed using Cox proportional hazards models. But it's unclear which statistical models should be recommended…

统计方法学 · 统计学 2022-08-23 Rong Lu

Federated learning (FL) faces a critical dilemma: existing protection mechanisms like differential privacy (DP) and homomorphic encryption (HE) enforce a rigid trade-off, forcing a choice between model utility and computational efficiency.…

机器学习 · 计算机科学 2025-09-18 Zihou Wu , Yuecheng Li , Tianchi Liao , Jian Lou , Chuan Chen

This paper investigates the feasibility of federated representation learning under the constraints of communication cost and privacy protection. Existing works either conduct annotation-guided local training which requires frequent…

机器学习 · 计算机科学 2022-01-19 Haizhou Shi , Youcai Zhang , Zijin Shen , Siliang Tang , Yaqian Li , Yandong Guo , Yueting Zhuang

Pedestrian's road crossing behaviour is one of the important aspects of urban dynamics that will be affected by the introduction of autonomous vehicles. In this study we introduce DeepSurvival, a novel framework for estimating pedestrian's…

人机交互 · 计算机科学 2019-08-12 Arash Kalatian , Bilal Farooq

Differentially private federated learning is crucial for maintaining privacy in distributed environments. This paper investigates the challenges of high-dimensional estimation and inference under the constraints of differential privacy.…

机器学习 · 统计学 2024-04-26 Zhe Zhang , Ryumei Nakada , Linjun Zhang

Kaplan-Meier estimators are essential tools in survival analysis, capturing the survival behavior of a cohort. Their accuracy improves with large, diverse datasets, encouraging data holders to collaborate for more precise estimations.…

密码学与安全 · 计算机科学 2024-07-30 Shadi Rahimian , Raouf Kerkouche , Ina Kurth , Mario Fritz

Although federated learning improves privacy of training data by exchanging local gradients or parameters rather than raw data, the adversary still can leverage local gradients and parameters to obtain local training data by launching…

机器学习 · 计算机科学 2021-08-17 Xue Yang , Yan Feng , Weijun Fang , Jun Shao , Xiaohu Tang , Shu-Tao Xia , Rongxing Lu

Federated learning is a distributed machine learning approach where multiple clients collaboratively train a model without sharing their local data, which contributes to preserving privacy. A challenge in federated learning is managing…

机器学习 · 计算机科学 2025-03-04 Rickard Brännvall

Federated prognostics enable clients (e.g., companies, factories, and production lines) to collaboratively develop a failure time prediction model while keeping each client's data local and confidential. However, traditional federated…

机器学习 · 计算机科学 2026-04-22 Yuhan Hu , Xiaolei Fang

Effective collective decision-making in swarm robotics often requires balancing exploration, communication and individual uncertainty estimation, especially in hazardous environments where direct measurements are limited or costly. We…

机器人学 · 计算机科学 2025-12-01 Gabriel Aguirre , Simay Atasoy Bingöl , Heiko Hamann , Jonas Kuckling

Time-to-event outcomes are commonly used as primary endpoints in randomized clinical trials. Despite this, relatively little work incorporates baseline covariate information while also accounting for stratified randomization, a common form…

统计方法学 · 统计学 2026-05-01 Raphael C. Kim , Brian Gilbert , Ramin Zabih , Michele Santacatterina , Ivan Diaz

Interval censored data commonly arise in medical studies when the event time of interest is only known to lie within an interval. In the presence of a cure subgroup, conventional mixture cure models typically assume a logistic model for the…

统计方法学 · 统计学 2026-01-21 Xiaoru Huang , Tonghui Yu , Xiaoyu Liu