Proceedings of the 7th annual international conference on Mobile computing and networking
Cache-and-query for wide area sensor databases
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
PARM: a power-aware message scheduling algorithm for real-time wireless networks
WMuNeP '05 Proceedings of the 1st ACM workshop on Wireless multimedia networking and performance modeling
A controlled-access scheduling mechanism for QoS provisioning in IEEE 802.11e wireless LANs
Proceedings of the 1st ACM international workshop on Quality of service & security in wireless and mobile networks
SensEye: a multi-tier camera sensor network
Proceedings of the 13th annual ACM international conference on Multimedia
Improving quality of service of TCP flows in strictly prioritized network
ACST'06 Proceedings of the 2nd IASTED international conference on Advances in computer science and technology
The Tenet architecture for tiered sensor networks
Proceedings of the 4th international conference on Embedded networked sensor systems
Design of adaptive overlays for multi-scale communication in sensor networks
DCOSS'05 Proceedings of the First IEEE international conference on Distributed Computing in Sensor Systems
Multi-priority Multi-path Selection for Video Streaming in Wireless Multimedia Sensor Networks
UIC '08 Proceedings of the 5th international conference on Ubiquitous Intelligence and Computing
Proceedings of the 10th ACM/IFIP/USENIX International Conference on Middleware
Middleware'09 Proceedings of the ACM/IFIP/USENIX 10th international conference on Middleware
Context-aware cross-layer optimized video streaming in wireless multimedia sensor networks
The Journal of Supercomputing
eShare: a capacitor-driven energy storage and sharing network for long-term operation
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
An open geospatial consortium standards-based arctic climatology sensor network prototype
Proceedings of the 2nd International Conference on Computing for Geospatial Research & Applications
Achieving long-term operation with a capacitor-driven energy storage and sharing network
ACM Transactions on Sensor Networks (TOSN)
MigCEP: operator migration for mobility driven distributed complex event processing
Proceedings of the 7th ACM international conference on Distributed event-based systems
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Situation awareness is an important application category in cyber-physical systems, and distributed video-based surveillance is a good canonical example of this application class. Such applications are interactive, dynamic, stream-based, computationally demanding, and needing real-time or near real-time guarantees. A sense-process-actuate control loop characterizes the behavior of this application class. ASAP is a scalable distributed architecture for a multi-modal sensor network that caters to the needs of this application class. Features of this architecture include (a) generation of prioritization cues that allow the infrastructure to pay selective attention to data streams of interest; (b) virtual sensor abstraction that allows easy integration of multi-modal sensing capabilities; and (c) dynamic redirection of sensor sources to distributed resources to deal with sudden burstiness in the application. In both empirical and emulated experiments, ASAP shows that it scales up to a thousand of sensor nodes (comprised of high bandwidth cameras and low bandwidth RFID readers), significantly mitigates infrastructure and cognitive overload, and reduces false negatives and false positives due to its ability to integrate multi-modal sensing.