The design and analysis of spatial data structures
The design and analysis of spatial data structures
Untraceable off-line cash in wallet with observers
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Privacy by Design - Principles of Privacy-Aware Ubiquitous Systems
UbiComp '01 Proceedings of the 3rd international conference on Ubiquitous Computing
k-anonymity: a model for protecting privacy
International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems
User needs for location-aware mobile services
Personal and Ubiquitous Computing
Rethinking incentives for mobile ad hoc networks
Proceedings of the ACM SIGCOMM workshop on Practice and theory of incentives in networked systems
Modelling incentives for collaboration in mobile ad hoc networks
Performance Evaluation - Selected papers from the first workshop on modeling and optimization in mobile, ad hoc and wireless networks (WiOpt'2003)
Location Privacy in Mobile Systems: A Personalized Anonymization Model
ICDCS '05 Proceedings of the 25th IEEE International Conference on Distributed Computing Systems
IEEE Transactions on Knowledge and Data Engineering
The new Casper: query processing for location services without compromising privacy
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
A peer-to-peer spatial cloaking algorithm for anonymous location-based service
GIS '06 Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems
Anonymous Usage of Location-Based Services Through Spatial and Temporal Cloaking
Proceedings of the 1st international conference on Mobile systems, applications and services
Journal of Parallel and Distributed Computing
PRIVE: anonymous location-based queries in distributed mobile systems
Proceedings of the 16th international conference on World Wide Web
Preventing Location-Based Identity Inference in Anonymous Spatial Queries
IEEE Transactions on Knowledge and Data Engineering
Protecting Location Privacy with Personalized k-Anonymity: Architecture and Algorithms
IEEE Transactions on Mobile Computing
Private queries in location based services: anonymizers are not necessary
Proceedings of the 2008 ACM SIGMOD international conference on Management of data
Modelling incentives and protocols for collaboration in mobile ad hoc networks
Proceedings of the 11th international symposium on Modeling, analysis and simulation of wireless and mobile systems
ICDE '08 Proceedings of the 2008 IEEE 24th International Conference on Data Engineering
Non-Exposure Location Anonymity
ICDE '09 Proceedings of the 2009 IEEE International Conference on Data Engineering
Private Queries and Trajectory Anonymization: a Dual Perspective on Location Privacy
Transactions on Data Privacy
A survey of computational location privacy
Personal and Ubiquitous Computing
Approximate Evaluation of Range Nearest Neighbor Queries with Quality Guarantee
SSTD '09 Proceedings of the 11th International Symposium on Advances in Spatial and Temporal Databases
Privacy-Conscious Location-Based Queries in Mobile Environments
IEEE Transactions on Parallel and Distributed Systems
Safeguarding location privacy in wireless ad-hoc networks
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
MOBIHIDE: a mobilea peer-to-peer system for anonymous location-based queries
SSTD'07 Proceedings of the 10th international conference on Advances in spatial and temporal databases
Blind evaluation of nearest neighbor queries using space transformation to preserve location privacy
SSTD'07 Proceedings of the 10th international conference on Advances in spatial and temporal databases
Protecting privacy against location-based personal identification
SDM'05 Proceedings of the Second VDLB international conference on Secure Data Management
A formal model of obfuscation and negotiation for location privacy
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Egobile: where social networks go mobile
Proceedings of the 13th International Conference on Information Integration and Web-based Applications and Services
Journal of Network and Computer Applications
Countering overlapping rectangle privacy attack for moving kNN queries
Information Systems
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We present a decentralized approach that exploits the capability of mobile devices to form wireless personal ad-hoc networks in order to protect the privacy of users who access location-based services. The novelty of our approach is that users do not need to trust any party such as an intermediary server or peers with their locations and identities. We propose efficient algorithms for users to compute a k-anonymous imprecise location and to randomly select one of her peers with uniform probability who forwards the service request on behalf of the user. Our experimental evaluation shows that using our approach a user can enjoy a high quality of service with a high degree of privacy.