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Vehicle edge caching is a promising technology that can significantly reduce the latency for vehicle users (VUs) to access content by pre-caching user-interested content at edge nodes. It is crucial to accurately predict the content that…

Machine Learning · Computer Science 2026-04-07 Xun Li , Qiong Wu , Pingyi Fan , Kezhi Wang , Wen Chen , Cui Zhang

Protecting sensitive health data while enabling collaborative analysis is a central challenge in healthcare. Traditional machine learning (ML) requires institutions to pool anonymized patient records, centralizing analytical development and…

Machine Learning · Computer Science 2026-05-05 Gaurang Sharma , Juha Pajula , Aada Illikainen , Markus Rautell , Noora Lipsonen , Petri Alhainen , Mika Hilvo

With the rapid development of GPS enabled devices (smartphones) and location-based applications, location privacy is increasingly concerned. Intuitively, it is widely believed that location privacy can be preserved by publishing aggregated…

Cryptography and Security · Computer Science 2019-08-13 Zhili Chen , Xiaoli Kan , Shun Zhang , Lin Chen , Yan Xu , Hong Zhong

Mobile network operators can track subscribers via passive or active monitoring of device locations. The recorded trajectories offer an unprecedented outlook on the activities of large user populations, which enables developing new…

Computers and Society · Computer Science 2017-01-10 Marco Gramaglia , Marco Fiore , Alberto Tarable , Albert Banchs

Trajectory forecasting is crucial for video surveillance analytics, as it enables the anticipation of future movements for a set of agents, e.g. basketball players engaged in intricate interactions with long-term intentions. Deep generative…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Riccardo Benaglia , Angelo Porrello , Pietro Buzzega , Simone Calderara , Rita Cucchiara

With the increasing prevalence of location-aware devices, trajectory data has been generated and collected in various application domains. Trajectory data carries rich information that is useful for many data analysis tasks. Yet, improper…

Databases · Computer Science 2011-12-12 Rui Chen , Benjamin C. M. Fung , Bipin C. Desai

Federated Learning (FL) is a paradigm for large-scale distributed learning which faces two key challenges: (i) efficient training from highly heterogeneous user data, and (ii) protecting the privacy of participating users. In this work, we…

Machine Learning · Computer Science 2023-01-06 Maxence Noble , Aurélien Bellet , Aymeric Dieuleveut

Federated learning (FL) aims to protect data privacy by cooperatively learning a model without sharing private data among users. For Federated Learning of Deep Neural Network with billions of model parameters, existing privacy-preserving…

Machine Learning · Computer Science 2021-09-28 Hanlin Gu , Lixin Fan , Bowen Li , Yan Kang , Yuan Yao , Qiang Yang

Bayesian optimization (BO) has recently been extended to the federated learning (FL) setting by the federated Thompson sampling (FTS) algorithm, which has promising applications such as federated hyperparameter tuning. However, FTS is not…

Machine Learning · Computer Science 2021-10-28 Zhongxiang Dai , Bryan Kian Hsiang Low , Patrick Jaillet

Human mobility is highly predictable. Individuals tend to only visit a few locations with high frequency, and to move among them in a certain sequence reflecting their habits and daily routine. This predictability has to be taken into…

Cryptography and Security · Computer Science 2014-09-08 George Theodorakopoulos , Reza Shokri , Carmela Troncoso , Jean-Pierre Hubaux , Jean-Yves Le Boudec

Federated Learning (FL) allows multiple participating clients to train machine learning models collaboratively by keeping their datasets local and only exchanging model updates. Existing FL protocol designs have been shown to be vulnerable…

Cryptography and Security · Computer Science 2021-10-25 Xiaolan Gu , Ming Li , Li Xiong

As an essential component part of the Intelligent Transportation System (ITS), the Internet of Vehicles (IoV) plays a vital role in alleviating traffic issues. Object detection is one of the key technologies in the IoV, which has been…

Machine Learning · Computer Science 2023-09-08 Luping Rao , Chuan Ma , Ming Ding , Yuwen Qian , Lu Zhou , Zhe Liu

National digital identity verification systems have played a critical role in the effective distribution of goods and services, particularly, in developing countries. Due to the cost involved in deploying and maintaining such systems,…

Cryptography and Security · Computer Science 2024-10-01 Deep Inder Mohan , Srinivas Vivek

Recent developments of advanced Human-Vehicle Interactions rely on the concept Internet-of-Vehicles (IoV), to achieve large-scale communications and synchronizations of data in practice. The concept of IoV is highly similar to a distributed…

Cryptography and Security · Computer Science 2022-02-16 Yicun Duan , Junyu Liu , Wangkai Jin , Xiangjun Peng

Purpose: Handling heterogeneous and mixed data types has become increasingly critical with the exponential growth in real-world databases. While deep generative models attempt to merge diverse data views into a common latent space, they…

Machine Learning · Computer Science 2024-10-23 Alejandro Guerrero-López , Carlos Sevilla-Salcedo , Vanessa Gómez-Verdejo , Pablo M. Olmos

Learning a privacy-preserving model from sensitive data which are distributed across multiple devices is an increasingly important problem. The problem is often formulated in the federated learning context, with the aim of learning a single…

Machine Learning · Computer Science 2023-04-20 Mikko A. Heikkilä , Matthew Ashman , Siddharth Swaroop , Richard E. Turner , Antti Honkela

Federated learning (FL) offers an innovative paradigm for collaborative model training across decentralized devices, such as smartphones, balancing enhanced predictive performance with the protection of user privacy in sensitive areas like…

Machine Learning · Computer Science 2025-09-15 Mohammad Hasan Narimani , Mostafa Tavassolipour

The current trajectory privacy protection technology only considers the temporal and spatial attributes of trajectory data, but ignores the social attributes. However, there is an intrinsic relationship between social attributes and human…

Cryptography and Security · Computer Science 2022-12-14 Hua Wang

Statistics about traffic flow and people's movement gathered from multiple geographical locations in a distributed manner are the driving force powering many applications, such as traffic prediction, demand prediction, and restaurant…

Cryptography and Security · Computer Science 2024-02-20 Tatsuki Koga , Casey Meehan , Kamalika Chaudhuri

As the demand for privacy in visual data management grows, safeguarding sensitive information has become a critical challenge. This paper addresses the need for privacy-preserving solutions in large-scale visual data processing by…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Pedro Santos , Tânia Carvalho , Filipe Magalhães , Luís Antunes