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相关论文: GeoLocator: a location-integrated large multimodal…

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Location-based services (LBSs) have become widely popular. Despite their utility, these services raise concerns for privacy since they require sharing location information with untrusted third parties. In this work, we study privacy-utility…

信息论 · 计算机科学 2019-10-07 Ecenaz Erdemir , Pier Luigi Dragotti , Deniz Gunduz

In the Internet of Things, the relevance of data often depends on the geographic context of data producers and consumers. Today's data distribution services, however, mostly focus on data content and not on geo-context, which could help to…

分布式、并行与集群计算 · 计算机科学 2020-01-22 Jonathan Hasenburg , David Bermbach

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…

密码学与安全 · 计算机科学 2019-10-28 Lingchen Zhao , Qian Wang , Qin Zou , Yan Zhang , Yanjiao Chen

Social networking services are increasingly accessed through mobile devices. This trend has prompted services such as Facebook and Google+ to incorporate location as a de facto feature of user interaction. At the same time, services based…

密码学与安全 · 计算机科学 2015-02-12 Gokay Saldamli , Richard Chow , Hongxia Jin

This paper proposes a novel method for geo-tracking, i.e. continuous metric self-localization in outdoor environments by registering a vehicle's sensor information with aerial imagery of an unseen target region. Geo-tracking methods offer…

计算机视觉与模式识别 · 计算机科学 2022-09-12 Florian Fervers , Sebastian Bullinger , Christoph Bodensteiner , Michael Arens , Rainer Stiefelhagen

Geo-localization aims to infer the geographic location where an image was captured using observable visual evidence. Traditional methods achieve impressive results through large-scale training on massive image corpora. With the emergence of…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Jinnao Li , Zijian Chen , Tingzhu Chen , Changbo Wang

Suppose that party A collects private information about its users, where each user's data is represented as a bit vector. Suppose that party B has a proprietary data mining algorithm that requires estimating the distance between users, such…

数据结构与算法 · 计算机科学 2018-07-16 Krishnaram Kenthapadi , Aleksandra Korolova , Ilya Mironov , Nina Mishra

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…

密码学与安全 · 计算机科学 2019-12-03 Grigorios Loukides , George Theodorakopoulos

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,…

The vast amount of geo-tagged social images has attracted great attention in research of predicting location using the plentiful content of images, such as visual content and textual description. Most of the existing researches use the…

信息检索 · 计算机科学 2015-05-18 Xiaoming Zhang , Zhoujun Li , Senzhang Wang , Yang Yang , Xueqiang Lv

Upcoming WiFi-based localization systems for indoor environments face a conflict of privacy interests: Server-side localization violates location privacy of the users, while localization on the user's device forces the localization provider…

密码学与安全 · 计算机科学 2014-10-14 Jan Henrik Ziegeldorf , Nicolai Viol , Martin Henze , Klaus Wehrle

As the reliance on GPS technology for navigation grows, so does the ethical dilemma of balancing its indispensable utility with the escalating concerns over user privacy. This study investigates the trade-offs between GPS utility and…

人机交互 · 计算机科学 2023-09-25 Yousef AlSaqabi , Souti Chattopadhyay

Privacy is a human right. It ensures that individuals are free to engage in discussions, participate in groups, and form relationships online or offline without fear of their data being inappropriately harvested, analyzed, or otherwise used…

人工智能 · 计算机科学 2024-06-04 Keenan Jones , Fatima Zahrah , Jason R. C. Nurse

Localization in mobile networks has been widely applied in many scenarios. However, an entity responsible for location estimation exposes both the target and anchors to potential location leakage at any time, creating serious security…

密码学与安全 · 计算机科学 2026-01-09 Liangbo Xie , Mude Cai , Xiaolong Yang , Mu Zhou , Jiacheng Wang , Dusit Niyato

With the advent of GPS enabled smartphones, an increasing number of users is actively sharing their location through a variety of applications and services. Along with the continuing growth of Location-Based Social Networks (LBSNs),…

密码学与安全 · 计算机科学 2015-03-24 Luca Rossi , Matthew J. Williams , Christoph Stich , Mirco Musolesi

Social media and online review platforms have become valuable sources for studying how people express opinions, report experiences, and respond to events across space. This work presents a practical guide to using user-generated social data…

社会与信息网络 · 计算机科学 2026-04-10 Lingyao Li

In large-scale statistical learning, data collection and model fitting are moving increasingly toward peripheral devices---phones, watches, fitness trackers---away from centralized data collection. Concomitant with this rise in…

机器学习 · 统计学 2019-06-04 Abhishek Bhowmick , John Duchi , Julien Freudiger , Gaurav Kapoor , Ryan Rogers

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,…

机器学习 · 计算机科学 2023-09-06 Hussein Aly , Abdulaziz Al-Ali , Abdullah Al-Ali , Qutaibah Malluhi

Deep learning has shown strong performance in geospatial prediction tasks, but the role of geolocation information in improving accuracy and generalizability remains underexamined. Recent work has introduced location encoders that aim to…

机器学习 · 计算机科学 2025-10-28 Morteza Karimzadeh , Zhongying Wang , James L. Crooks

Image geolocation is a critical task in various image-understanding applications. However, existing methods often fail when analyzing challenging, in-the-wild images. Inspired by the exceptional background knowledge of multimodal language…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Zhiqiang Wang , Dejia Xu , Rana Muhammad Shahroz Khan , Yanbin Lin , Zhiwen Fan , Xingquan Zhu