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Location information of sensor nodes has become an essential part of many applications in Wireless Sensor Networks (WSN). The importance of location estimation and object tracking has made them the target of many security attacks. Various…

网络与互联网体系结构 · 计算机科学 2012-04-17 Ali P. Fard , Mahdy Nabaee

Maintaining competitive advantage is significant in this present day of globalization, knowledge management and enormous economic activities. An organization's future developments are influenced by its managements' decisions. Businesses…

其他计算机科学 · 计算机科学 2013-07-31 Quist-Aphetsi Kester , Koumadi , Koudjo M , Nii Narku Quaynor

A covert communication system is developed that modulates Morse code characteristics and that delivers its mes- sage economically and to geographically remote areas using radio and EchoLink. Our system allows a covert message to be sent to…

密码学与安全 · 计算机科学 2014-08-26 Joshua Davis

Consumer electronic devices such as mobile handsets, goods tagged with RFID labels, location and position sensors are continuously generating a vast amount of location enriched data called geospatial data. Conventionally such geospatial…

人工智能 · 计算机科学 2020-09-01 Arvind W. Kiwelekar , Geetanjali S. Mahamunkar , Laxman D. Netak , Valmik B Nikam

The extensive use of smartphones and wearable devices has facilitated many useful applications. For example, with Global Positioning System (GPS)-equipped smart and wearable devices, many applications can gather, process, and share rich…

密码学与安全 · 计算机科学 2019-10-22 Ülkü Meteriz , Necip Fazıl Yıldıran , Aziz Mohaisen

In this work, we argue that current state-of-the-art methods of aircraft localization such as multilateration are insufficient, in particular for modern crowdsourced air traffic networks with random, unplanned deployment geometry. We…

网络与互联网体系结构 · 计算机科学 2016-10-24 Martin Strohmeier , Vincent Lenders , Ivan Martinovic

With geographic message dissemination, connected vehicles can be served with traffic information in their proximity, thereby positively impacting road safety, traffic management, or routing. Since such messages are typically relevant in a…

密码学与安全 · 计算机科学 2020-11-05 Stefan Ruehrup , Stephan Krenn

Data security is of the utmost concern of a communication system. Since the early days, many developments have been made to improve the performance of the system. PSNR of the received signal, secure transmission channel, quality of encoding…

Geographic privacy or geo-privacy refers to the keeping private of one's geographic location, especially the restriction of geographical data maintained by personal electronic devices. Geo-privacy is a crucial aspect of personal security;…

计算机与社会 · 计算机科学 2025-04-15 Yifan Yang , Siqin Wang , Daoyang Li , Yixian Zhang , Shuju Sun , Junzhou He

Mobile edge caching is a promising technology for the next-generation mobile networks to effectively offer service environment and cloud-storage capabilities at the edge of networks. By exploiting the storage and computing resources at the…

密码学与安全 · 计算机科学 2020-12-08 Jianbing Ni , Kuan Zhang , Athanasios V. Vasilakos

In recent years, with the growing number of online social networks, these networks have become one of the best markets for advertising and commerce, so studying these networks is very important. Forecasting new edges in online social…

社会与信息网络 · 计算机科学 2020-02-17 Alireza Eshaghpour , Mostafa Salehi , Vahid Ranjbar

This paper deals with the problem of localization in a cellular network in a dense urban scenario. Global Navigation Satellite Systems (GNSS) typically perform poorly in urban environments, where the likelihood of line-of-sight conditions…

机器学习 · 计算机科学 2022-02-04 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

Digital contact tracing is one of the actions useful, in combination with other measures, to manage an epidemic diffusion of an infection disease in an after-lock-down phase. This is a very timely issue, due to the pandemic of COVID-19 we…

密码学与安全 · 计算机科学 2020-05-22 Francesco Buccafurri , Vincenzo De Angelis , Cecilia Labrini

The aim of the paper is to provide a solution which increases the security of a mobile environment for both individuals and for workers in an enterprise. The proposed solution adapts Shamir's approach for sharing a secret for encryption key…

密码学与安全 · 计算机科学 2016-09-23 Jānis Buls , Imants Gorbans , Ivans Kulesovs , Uldis Straujums

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

The problem of predicting the location of users on large social networks like Twitter has emerged from real-life applications such as social unrest detection and online marketing. Twitter user geolocation is a difficult and active research…

机器学习 · 计算机科学 2017-12-22 Tien Huu Do , Duc Minh Nguyen , Evaggelia Tsiligianni , Bruno Cornelis , Nikos Deligiannis

Despite the several advantages commonly attributed to social networks such as easiness and immediacy to communicate with acquaintances and friends, significant privacy threats provoked by unexperienced or even irresponsible users recklessly…

社会与信息网络 · 计算机科学 2014-01-23 Javier Parra-Arnau , Félix Gómez Mármol , David Rebollo-Monedero , Jordi Forné

There is much discussion and debate about how to improve the security and privacy of mobile communication systems, both voice and data. Most proposals attempt to provide incremental improvements to systems that are deployed today. Indeed,…

计算机与社会 · 计算机科学 2007-05-23 G. Winfield Treese , Lawrence C. Stewart

Information dissemination is a fundamental and frequently occurring problem in large, dynamic, distributed systems. In order to solve this, there has been an increased interest in creating efficient overlay networks that can maintain…

网络与互联网体系结构 · 计算机科学 2020-06-09 Chase Smith , Alex Rusnak

Rule-based fine-grained IP geolocation methods are hard to generalize in computer networks which do not follow hypothetical rules. Recently, deep learning methods, like multi-layer perceptron (MLP), are tried to increase generalization…

机器学习 · 计算机科学 2023-04-18 Shichang Ding , Xiangyang Luo , Jinwei Wang , Xiaoming Fu