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
Moving Objects Databases: Issues and Solutions
SSDBM '98 Proceedings of the 10th International Conference on Scientific and Statistical Database Management
Understanding usability in mobile commerce
Communications of the ACM - Mobile computing opportunities and challenges
An Authorization Model for Geospatial Data
IEEE Transactions on Dependable and Secure Computing
Proceedings of the 6th international conference on Mobile data management
Efficient enforcement of security policies based on tracking of mobile users
DBSEC'06 Proceedings of the 20th IFIP WG 11.3 working conference on Data and Applications Security
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
Characterizing problems for realizing policies in self-adaptive and self-managing systems
Proceedings of the 6th International Symposium on Software Engineering for Adaptive and Self-Managing Systems
Bob-tree: an efficient B+-tree based index structure for geographic-aware obfuscation
ACIIDS'11 Proceedings of the Third international conference on Intelligent information and database systems - Volume Part I
A profile anonymization model for location-based services
Journal of Computer Security
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Location based services, one of the promising markets of mobile commerce, aims at delivering point of need personalized information. Often, these services to be delivered are based on the prior knowledge of the profiles of mobile customers and security and privacy policies dictated by them. These policies may specify revealing the sensitive information of mobile customers (e.g., age, salary) selectively to specific merchants in return of receiving certain benefits (e.g., coupons, special discounts, etc.). As a result, the security policies in such an environment are characterized by spatial and temporal attributes of the mobile customers (location and time), as well as their profile attributes. The focus of this paper is to efficiently enforce such policies. In this regard, we propose a unified structure that is capable of indexing mobile customer (mobile object) locations and their profiles, and the authorizations stating their security and privacy policies.