PODS '99 Proceedings of the eighteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Updating and Querying Databases that Track Mobile Units
Distributed and Parallel Databases - Special issue on mobile data management and applications
Indexing moving points (extended abstract)
PODS '00 Proceedings of the nineteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
A foundation for representing and querying moving objects
ACM Transactions on Database Systems (TODS)
Locating Objects in Mobile Computing
IEEE Transactions on Knowledge and Data Engineering
The Geometry of Uncertainty in Moving Objects Databases
EDBT '02 Proceedings of the 8th International Conference on Extending Database Technology: Advances in Database Technology
Modeling and Querying Moving Objects
ICDE '97 Proceedings of the Thirteenth International Conference on Data Engineering
Real-Time Traffic Updates in Moving Objects Databases
DEXA '02 Proceedings of the 13th International Workshop on Database and Expert Systems Applications
Capturing the Uncertainty of Moving-Object Representations
SSD '99 Proceedings of the 6th International Symposium on Advances in Spatial Databases
A Spatiotemporal Model and Language for Moving Objects on Road Networks
SSTD '01 Proceedings of the 7th International Symposium on Advances in Spatial and Temporal Databases
Evaluating probabilistic queries over imprecise data
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
Indexing of Moving Objects for Location-Based Services
ICDE '02 Proceedings of the 18th International Conference on Data Engineering
Managing moving objects databases with uncertainty
Managing moving objects databases with uncertainty
Evaluation of probabilistic queries in moving objects databases
MobiDE '06 Proceedings of the 5th ACM international workshop on Data engineering for wireless and mobile access
On the effect of trajectory compression in spatiotemporal querying
ADBIS'07 Proceedings of the 11th East European conference on Advances in databases and information systems
Point distance and orthogonal range problems with dependent geometric uncertainties
Proceedings of the 14th ACM Symposium on Solid and Physical Modeling
Uncertain geometry with dependencies
Proceedings of the 14th ACM Symposium on Solid and Physical Modeling
Uncertain distance-based range queries over uncertain moving objects
Journal of Computer Science and Technology
Technical note: Uncertain lines and circles with dependencies
Computer-Aided Design
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This work addresses the issue of answering spatio-temporal range queries when there is uncertainty associated with the model of the moving objects. Uncertainty is inherent in Moving Objects Database (MOD) applications and capturing it in the data model has a twofold impact: -- the number of updates when the actual trajectory deviates from its MOD representation; -- the linguistic constructs and the processing algorithms for querying the MOD. The paper presents both spatial and temporal uncertainty aspects, which are combined into one model of uncertain trajectories. Given the model, the methodology is presented which enables processing of queries such as: "What is the probability that a given moving object was/will be inside a given region sometimes/always during a given time interval?" where the regions are bounded by arbitrary 2D polygons.