A protocol for anonymous communication over the Internet
Proceedings of the 7th ACM conference on Computer and communications security
Framework for security and privacy in automotive telematics
WMC '02 Proceedings of the 2nd international workshop on Mobile commerce
A Framework for Generating Network-Based Moving Objects
Geoinformatica
Location Privacy in Pervasive Computing
IEEE Pervasive Computing
Preserving Privacy in Environments with Location-Based Applications
IEEE Pervasive Computing
A Privacy Awareness System for Ubiquitous Computing Environments
UbiComp '02 Proceedings of the 4th international conference on Ubiquitous Computing
Mix Zones: User Privacy in Location-aware Services
PERCOMW '04 Proceedings of the Second IEEE Annual Conference on Pervasive Computing and Communications Workshops
Location Based Services
Location-based Services: Fundamentals and Operation
Location-based Services: Fundamentals and Operation
Personalized privacy preservation
Proceedings of the 2006 ACM SIGMOD international conference on Management of data
Anonymous Usage of Location-Based Services Through Spatial and Temporal Cloaking
Proceedings of the 1st international conference on Mobile systems, applications and services
Protecting Location Privacy with Personalized k-Anonymity: Architecture and Algorithms
IEEE Transactions on Mobile Computing
Privacy-Preserving Data Mining on Moving Object Trajectories
MDM '07 Proceedings of the 2007 International Conference on Mobile Data Management
Privacy in Location-Based Services: State-of-the-Art and Research Directions
MDM '07 Proceedings of the 2007 International Conference on Mobile Data Management
Protecting privacy against location-based personal identification
SDM'05 Proceedings of the Second VDLB international conference on Secure Data Management
On guaranteeing k-anonymity in location databases
DEXA'11 Proceedings of the 22nd international conference on Database and expert systems applications - Volume Part I
ICT-EurAsia'13 Proceedings of the 2013 international conference on Information and Communication Technology
Semantic-Aware obfuscation for location privacy at database level
ICT-EurAsia'13 Proceedings of the 2013 international conference on Information and Communication Technology
Proceedings of the 8th International Conference on Ubiquitous Information Management and Communication
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The rapid development of location-based services, which make use of the location information of the user, presents both opportunities and challenges. Users can benefit from these services; however, they must often disclose their location information, which may lead to privacy problems. In this regard, the authors propose a solution with a memorizing algorithm, using trusted middleware that organizes space in an adaptive grid where it cloaks the user's location information in an anonymization area before sending it to the service providers. This newly introduced memorizing algorithm calculates on the spatial grid to decrease the overlapped areas as much as possible, which helps conceal users' locations. This solution protects the user's privacy while using the service, but also against data mining techniques with respect to their history location data. Experimental results with a user activities map establishes this theoretical analyses as well as the practical value of the proposed solution.