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Driver drowsiness is one of the main causes of road accidents and is recognized as a leading contributor to traffic-related fatalities. However, detecting drowsiness accurately remains a challenging task, especially in real-world settings…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Tran Viet Khoa , Do Hai Son , Mohammad Abu Alsheikh , Yibeltal F Alem , Dinh Thai Hoang

Generating realistic human mobility data is essential for various application domains, including transportation, urban planning, and epidemic control, as real data is often inaccessible to researchers due to high costs and privacy concerns.…

Artificial Intelligence · Computer Science 2025-04-29 Siyu Li , Toan Tran , Haowen Lin , John Krumm , Cyrus Shahabi , Lingyi Zhao , Khurram Shafique , Li Xiong

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

Internet of Things devices are expanding rapidly and generating huge amount of data. There is an increasing need to explore data collected from these devices. Collaborative learning provides a strategic solution for the Internet of Things…

Cryptography and Security · Computer Science 2022-07-21 Guanhong Miao

Personalized privacy becomes critical in deep learning for Trustworthy AI. While Differentially Private Stochastic Gradient Descent (DP-SGD) is widely used in deep learning methods supporting privacy, it provides the same level of privacy…

Machine Learning · Computer Science 2023-05-25 Geon Heo , Junseok Seo , Steven Euijong Whang

Geolocation is now a vital aspect of modern life, offering numerous benefits but also presenting serious privacy concerns. The advent of large vision-language models (LVLMs) with advanced image-processing capabilities introduces new risks,…

Cryptography and Security · Computer Science 2024-08-20 Yi Liu , Junchen Ding , Gelei Deng , Yuekang Li , Tianwei Zhang , Weisong Sun , Yaowen Zheng , Jingquan Ge , Yang Liu

Protecting sensitive information against data exploiting attacks is an emerging research area in data mining. Over the past, several different methods have been introduced to protect individual privacy from such attacks while maximizing…

Cryptography and Security · Computer Science 2021-07-29 Hung Nguyen , Di Zhuang , Pei-Yuan Wu , Morris Chang

With powerful parallel computing GPUs and massive user data, neural-network-based deep learning can well exert its strong power in problem modeling and solving, and has archived great success in many applications such as image…

Cryptography and Security · Computer Science 2019-10-28 Lingchen Zhao , Qian Wang , Qin Zou , Yan Zhang , Yanjiao Chen

While location trajectories offer valuable insights, they also reveal sensitive personal information. Differential Privacy (DP) offers formal protection, but achieving a favourable utility-privacy trade-off remains challenging. Recent works…

Cryptography and Security · Computer Science 2025-06-12 Erik Buchholz , Natasha Fernandes , David D. Nguyen , Alsharif Abuadbba , Surya Nepal , Salil S. Kanhere

Latent Dirichlet Allocation (LDA) is a popular topic modeling technique for discovery of hidden semantic architecture of text datasets, and plays a fundamental role in many machine learning applications. However, like many other machine…

Machine Learning · Computer Science 2019-07-02 Fangyuan Zhao , Xuebin Ren , Shusen Yang , Xinyu Yang

A location histogram is comprised of the number of times a user has visited locations as they move in an area of interest, and it is often obtained from the user in applications such as recommendation and advertising. However, a location…

Cryptography and Security · Computer Science 2019-12-03 Grigorios Loukides , George Theodorakopoulos

Data integration and sharing maximally enhance the potential for novel and meaningful discoveries. However, it is a non-trivial task as integrating data from multiple sources can put sensitive information of study participants at risk. To…

Cryptography and Security · Computer Science 2020-05-25 Yeongjae Gil , Xiaoqian Jiang , Miran Kim , Junghye Lee

Fine-tuning has emerged as a critical process in leveraging Large Language Models (LLMs) for specific downstream tasks, enabling these models to achieve state-of-the-art performance across various domains. However, the fine-tuning process…

Artificial Intelligence · Computer Science 2025-04-08 Hao Du , Shang Liu , Lele Zheng , Yang Cao , Atsuyoshi Nakamura , Lei Chen

The advent of numerous indoor location-based services (LBSs) and the widespread use of many types of mobile devices in indoor environments have resulted in generating a massive amount of people's location data. While geo-spatial data…

Cryptography and Security · Computer Science 2022-07-05 Hojjat Navidan , Vahideh Moghtadaiee , Niki Nazaran , Mina Alishahi

The notion that collaborative machine learning can ensure privacy by just withholding the raw data is widely acknowledged to be flawed. Over the past seven years, the literature has revealed several privacy attacks that enable adversaries…

Cryptography and Security · Computer Science 2024-09-27 Federico Mazzone , Ahmad Al Badawi , Yuriy Polyakov , Maarten Everts , Florian Hahn , Andreas Peter

A `trajectory' refers to a trace generated by a moving object in geographical spaces, usually represented by of a series of chronologically ordered points, where each point consists of a geo-spatial coordinate set and a timestamp. Rapid…

Machine Learning · Computer Science 2021-11-16 Seongjin Choi

Data privacy has become an increasingly important issue in Machine Learning (ML), where many approaches have been developed to tackle this challenge, e.g. cryptography (Homomorphic Encryption (HE), Differential Privacy (DP), etc.) and…

Machine Learning · Computer Science 2022-09-13 Hanchi Ren , Jingjing Deng , Xianghua Xie

When it comes to location-based services (LBS), user privacy protection can be in conflict with security of both users and trips. While LBS providers could adopt privacy preservation mechanisms to obfuscate customer data, the accuracy of…

Cryptography and Security · Computer Science 2021-12-14 Dajiang Suo , M. Elena Renda , Jinhua Zhao

The generative Artificial Intelligence (AI) tools based on Large Language Models (LLMs) use billions of parameters to extensively analyse large datasets and extract critical private information such as, context, specific details,…

Cryptography and Security · Computer Science 2023-10-20 Imdad Ullah , Najm Hassan , Sukhpal Singh Gill , Basem Suleiman , Tariq Ahamed Ahanger , Zawar Shah , Junaid Qadir , Salil S. Kanhere

This paper investigates the potential privacy risks associated with forecasting models, with specific emphasis on their application in the context of smart grids. While machine learning and deep learning algorithms offer valuable utility,…

Machine Learning · Computer Science 2023-09-06 Hussein Aly , Abdulaziz Al-Ali , Abdullah Al-Ali , Qutaibah Malluhi
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