The active badge location system
ACM Transactions on Information Systems (TOIS)
A performance comparison of multi-hop wireless ad hoc network routing protocols
MobiCom '98 Proceedings of the 4th annual ACM/IEEE international conference on Mobile computing and networking
Location Privacy in Pervasive Computing
IEEE Pervasive Computing
MIXes in Mobile Communication Systems: Location Management with Privacy
Proceedings of the First International Workshop on Information Hiding
ANODR: anonymous on demand routing with untraceable routes for mobile ad-hoc networks
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
Mix Zones: User Privacy in Location-aware Services
PERCOMW '04 Proceedings of the Second IEEE Annual Conference on Pervasive Computing and Communications Workshops
An architecture for privacy-sensitive ubiquitous computing
Proceedings of the 2nd international conference on Mobile systems, applications, and services
A generic framework for monitoring continuous spatial queries over moving objects
Proceedings of the 2005 ACM SIGMOD international conference on Management of data
Enhancing Source-Location Privacy in Sensor Network Routing
ICDCS '05 Proceedings of the 25th IEEE International Conference on Distributed Computing Systems
An efficient and scalable approach to CNN queries in a road network
VLDB '05 Proceedings of the 31st international conference on Very large data bases
Continuous nearest neighbor monitoring in road networks
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
The new Casper: query processing for location services without compromising privacy
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
Anonymous Usage of Location-Based Services Through Spatial and Temporal Cloaking
Proceedings of the 1st international conference on Mobile systems, applications and services
Random waypoint mobility model in cellular networks
Wireless Networks
PRIVE: anonymous location-based queries in distributed mobile systems
Proceedings of the 16th international conference on World Wide Web
Temporal Privacy in Wireless Sensor Networks
ICDCS '07 Proceedings of the 27th International Conference on Distributed Computing Systems
Query processing in spatial network databases
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
Voronoi-based K nearest neighbor search for spatial network databases
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Supporting anonymous location queries in mobile environments with privacygrid
Proceedings of the 17th international conference on World Wide Web
ICDE '08 Proceedings of the 2008 IEEE 24th International Conference on Data Engineering
Privacy Protected Query Processing on Spatial Networks
ICDEW '07 Proceedings of the 2007 IEEE 23rd International Conference on Data Engineering Workshop
On trip planning queries in spatial databases
SSTD'05 Proceedings of the 9th international conference on Advances in Spatial and Temporal Databases
The PROBE Framework for the Personalized Cloaking of Private Locations
Transactions on Data Privacy
Anonymization of moving objects databases by clustering and perturbation
Information Systems
An online framework for publishing privacy-sensitive location traces
Proceedings of the Ninth ACM International Workshop on Data Engineering for Wireless and Mobile Access
Design and analysis of a ranking approach to private location-based services
ACM Transactions on Database Systems (TODS)
Query-aware location anonymization for road networks
Geoinformatica
Protecting location privacy using location semantics
Proceedings of the 17th ACM SIGKDD international conference on Knowledge discovery and data mining
Trajectory privacy in location-based services and data publication
ACM SIGKDD Explorations Newsletter
Location privacy protection in the presence of users' preferences
WAIM'11 Proceedings of the 12th international conference on Web-age information management
Shortest path computation with no information leakage
Proceedings of the VLDB Endowment
Hilbert-order based spatial cloaking algorithm in road network
Concurrency and Computation: Practice & Experience
Semantic trajectories modeling and analysis
ACM Computing Surveys (CSUR)
Anonymizing continuous queries with delay-tolerant mix-zones over road networks
Distributed and Parallel Databases
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Consider a mobile client who travels over roads and wishes to receive location-based services (LBS) from untrusted service providers. How might the user obtain such services without exposing her private position information? Meanwhile, how could the privacy protection mechanism incur no disincentive, e.g., excessive computation or communication cost, for any service provider or mobile user to participate in such a scheme? We detail this problem and present a general model for privacy-aware mobile services. A series of key features distinguish our solution from existing ones: a) it adopts the network-constrained mobility model (instead of the conventional random-waypoint model) to capture the privacy vulnerability of mobile users; b) it regards the attack resilience (for mobile users) and the query-processing cost (for service providers) as two critical measures for designing location privatization solutions, and provides corresponding analytical models; c) it proposes a robust and scalable location anonymization model, XStar, which best leverages the two measures; d) it introduces multi-folded optimizations in implementing XStar, which lead to further performance improvement. A comprehensive experimental evaluation is conducted to validate the analytical models and the efficacy of XStar.