The active badge location system
ACM Transactions on Information Systems (TOIS)
Indexing the positions of continuously moving objects
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
Query operations for moving objects database systems
Proceedings of the 8th ACM international symposium on Advances in geographic information systems
Modeling and Querying Moving Objects
ICDE '97 Proceedings of the Thirteenth International Conference on Data Engineering
Moving Objects Databases: Issues and Solutions
SSDBM '98 Proceedings of the 10th International Conference on Scientific and Statistical Database Management
K-Nearest Neighbor Search for Moving Query Point
SSTD '01 Proceedings of the 7th International Symposium on Advances in Spatial and Temporal Databases
Mix Zones: User Privacy in Location-aware Services
PERCOMW '04 Proceedings of the Second IEEE Annual Conference on Pervasive Computing and Communications Workshops
Bluetooth and WAP push based location-aware mobile advertising system
Proceedings of the 2nd international conference on Mobile systems, applications, and services
STRIPES: an efficient index for predicted trajectories
SIGMOD '04 Proceedings of the 2004 ACM SIGMOD international conference on Management of data
An Authorization Model for Geospatial Data
IEEE Transactions on Dependable and Secure Computing
Efficient indexing of the historical, present, and future positions of moving objects
Proceedings of the 6th international conference on Mobile data management
Proceedings of the 6th international conference on Mobile data management
Supporting location-based conditions in access control policies
ASIACCS '06 Proceedings of the 2006 ACM Symposium on Information, computer and communications security
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
Query and update efficient B+-tree based indexing of moving objects
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
A Profile Anonymization Model for Privacy in a Personalized Location Based Service Environment
MDM '08 Proceedings of the The Ninth International Conference on Mobile Data Management
Spatial security policies for mobile agents in a sentient computing environment
FASE'03 Proceedings of the 6th international conference on Fundamental approaches to software engineering
Unified index for mobile object data and authorizations
ESORICS'05 Proceedings of the 10th European conference on Research in Computer Security
Spatiotemporal Access Control Enforcement under Uncertain Location Estimates
Proceedings of the 23rd Annual IFIP WG 11.3 Working Conference on Data and Applications Security XXIII
A map-layer-based access control model
WISA'11 Proceedings of the 12th international conference on Information Security Applications
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We propose a notarized federated identity management model that supports efficient user authentication when providers are unknown to each other. Our model introduces a notary service, owned by a trusted third-party, to dynamically notarize assertions ...