Snoop: an expressive event specification language for active databases
Data & Knowledge Engineering
Maintaining knowledge about temporal intervals
Communications of the ACM
Time synchronization in ad hoc networks
MobiHoc '01 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing
Filter Similarities in Content-Based Publish/Subscribe Systems
ARCS '02 Proceedings of the International Conference on Architecture of Computing Systems: Trends in Network and Pervasive Computing
Event Composition in Time-Dependent Distributed Systems
COOPIS '99 Proceedings of the Fourth IECIS International Conference on Cooperative Information Systems
RTAS '98 Proceedings of the Fourth IEEE Real-Time Technology and Applications Symposium
Event-based Distributed Workflow Execution with EVE
Event-based Distributed Workflow Execution with EVE
Causality and the spatial-temporal ordering in mobile systems
Mobile Networks and Applications
TinyLIME: Bridging Mobile and Sensor Networks through Middleware
PERCOM '05 Proceedings of the Third IEEE International Conference on Pervasive Computing and Communications
Determination of Time and Order for Event-Based Middleware in Mobile Peer-to-Peer Environments
PERCOMW '05 Proceedings of the Third IEEE International Conference on Pervasive Computing and Communications Workshops
TAG: a Tiny AGgregation service for Ad-Hoc sensor networks
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
COBEA: a CORBA-based event architecture
COOTS'98 Proceedings of the 4th conference on USENIX Conference on Object-Oriented Technologies and Systems - Volume 4
A survey of middleware for sensor networks: state-of-the-art and future directions
Proceedings of the international workshop on Middleware for sensor networks
Temporal constraints for rule-based event processing
Proceedings of the ACM first Ph.D. workshop in CIKM
Relative temporal constraints in the Rete algorithm for complex event detection
Proceedings of the second international conference on Distributed event-based systems
Modeling of information system correlated events time dependencies
NOTERE '08 Proceedings of the 8th international conference on New technologies in distributed systems
DEXA '08 Proceedings of the 19th international conference on Database and Expert Systems Applications
MWM: a map-based world model for wireless sensor networks
Autonomics '08 Proceedings of the 2nd International Conference on Autonomic Computing and Communication Systems
Spatial-temporal event correlation
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Cordies: expressive event correlation in distributed systems
Proceedings of the Fourth ACM International Conference on Distributed Event-Based Systems
Implementing a practical spatio-temporal composite event language
From active data management to event-based systems and more
JTangCSPS: A composite and semantic publish/subscribe system over structured P2P networks
Engineering Applications of Artificial Intelligence
Event broker grids with filtering, aggregation, and correlation for wireless sensor data
OTM'05 Proceedings of the 2005 OTM Confederated international conference on On the Move to Meaningful Internet Systems
The PoEML proposal to model services in educational modeling languages
CRIWG'06 Proceedings of the 12th international conference on Groupware: design, implementation, and use
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The recent evolution of ubiquitous computing has brought with it a dramatic increase of event monitoring capabilities by wireless devices and sensors. Such systems require new, more sophisticated, event correlation over time and space. This new paradigm implies composition of events in heterogeneous network environments, where network and resource conditions vary. Event Correlation will be a multi-step operation from event sources to final subscribers, combining information collected by wireless devices into higher level information or knowledge. Most extant approaches to define event correlation lack a formal mechanism for establishing complex temporal and spatial relationships among correlated events. Here, we will focus on two subjects. First, we define generic composite event semantics, which extend traditional event composition with data aggregation in wireless sensor networks (WSNs). This work bridges data aggregation in WSNs with event correlation services over distributed systems. Secondly, we introduce interval-based semantics for event detection, defining precisely complex timing constraints among correlated event instances.