Maintaining knowledge about temporal intervals
Communications of the ACM
Time Synchronization for Wireless Sensor Networks
IPDPS '01 Proceedings of the 15th International Parallel & Distributed Processing Symposium
Composite Event Specification in Active Databases: Model & Implementation
VLDB '92 Proceedings of the 18th International Conference on Very Large Data Bases
Composite Events for Active Databases: Semantics, Contexts and Detection
VLDB '94 Proceedings of the 20th International Conference on Very Large Data Bases
STEAM: Event-Based Middleware for Wireless Ad Hoc Network
ICDCSW '02 Proceedings of the 22nd International Conference on Distributed Computing Systems
Event Composition in Time-Dependent Distributed Systems
COOPIS '99 Proceedings of the Fourth IECIS International Conference on Cooperative Information Systems
ICDCSW '03 Proceedings of the 23rd International Conference on Distributed Computing Systems
Formal Semantics of Composite Events for Distributed Environments
ICDE '99 Proceedings of the 15th International Conference on Data Engineering
Maintaining the time in a distributed system
ACM SIGOPS Operating Systems Review
An efficient spatial publish/subscribe system for intelligent location-based services
Proceedings of the 2nd international workshop on Distributed event-based systems
Implementing software on resource-constrained mobile sensors: experiences with Impala and ZebraNet
Proceedings of the 2nd international conference on Mobile systems, applications, and services
Localization in sensor networks
Wireless sensor networks
Localization for mobile sensor networks
Proceedings of the 10th annual international conference on Mobile computing and networking
Publish/subscribe in a mobile environment
Wireless Networks - Special issue: Pervasive computing and communications
On Introducing Location Awareness in Publish-Subscribe Middleware
ICDCSW '05 Proceedings of the Fourth International Workshop on Distributed Event-Based Systems (DEBS) (ICDCSW'05) - Volume 04
An Architecture for Observing Physical World Events
ICPADS '05 Proceedings of the 11th International Conference on Parallel and Distributed Systems - Volume 01
Secure Localization and Time Synchronization for Wireless Sensor and Ad Hoc Networks (Advances in Information Security)
Localization in wireless sensor networks
Proceedings of the 6th international conference on Information processing in sensor networks
Developing event-condition-action rules in real-time active database
Proceedings of the 2007 ACM symposium on Applied computing
Event-based constraints for sensornet programming
Proceedings of the second international conference on Distributed event-based systems
Design and Evaluation of a Support Service for Mobile, Wireless Publish/Subscribe Applications
IEEE Transactions on Software Engineering
Design and evaluation of a hybrid sensor network for cane toad monitoring
ACM Transactions on Sensor Networks (TOSN)
TwinRoute: Energy-Efficient Data Collection in Fixed Sensor Networks with Mobile Sinks
MDM '09 Proceedings of the 2009 Tenth International Conference on Mobile Data Management: Systems, Services and Middleware
Towards a unified view on space and time in sensor networks
Computer Communications
Context-aware publish subscribe in mobile ad hoc networks
COORDINATION'07 Proceedings of the 9th international conference on Coordination models and languages
Software engineering abstractions for the multi-touch revolution
Proceedings of the 32nd ACM/IEEE International Conference on Software Engineering - Volume 2
Cordies: expressive event correlation in distributed systems
Proceedings of the Fourth ACM International Conference on Distributed Event-Based Systems
Interactive definition of single-user profiles for alerting systems
Proceedings of the 22nd Conference of the Computer-Human Interaction Special Interest Group of Australia on Computer-Human Interaction
Implementing a practical spatio-temporal composite event language
From active data management to event-based systems and more
Parametric subscriptions for content-based publish/subscribe networks
Proceedings of the ACM/IFIP/USENIX 11th International Conference on Middleware
A notion of event quality for contextualized planning and decision support systems
CONTEXT'11 Proceedings of the 7th international and interdisciplinary conference on Modeling and using context
Parametric Content-Based Publish/Subscribe
ACM Transactions on Computer Systems (TOCS)
Specifying and detecting spatio-temporal events in the internet of things
Decision Support Systems
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In mobile systems, the requirements on composite event detection are fundamentally different from those in distributed systems. Composite event detection must be driven not just by the time of occurrence of an event, but also by its location of occurrence; composite event detection, as applied in traditional distributed event-based systems, needs to be reassessed. In this paper, we motivate the need to support spatio-temporal relations between composite events in mobile systems and introduce SpaTeC, a composite event language that enables simultaneous matching of event occurrences over space and time. Composite event operators provide for coarse spatio-temporal reasoning. Spatial and temporal restrictions constrain composite event detection in space and time and provide a basis for event filtering and spatio-temporal routing. Time and location stamps use a guaranteed bounds model for location estimation and time synchronization. The semantics of SpaTeC event operators is defined within this framework.