Distributing queries over low-power wireless sensor networks
Proceedings of the 2002 ACM SIGMOD international conference on Management of data
Connecting the Physical World with Pervasive Networks
IEEE Pervasive Computing
Diffusive Load-Balancing Policies for Dynamic Applications
IEEE Concurrency
Analysis of wireless sensor networks for habitat monitoring
Wireless sensor networks
Region streams: functional macroprogramming for sensor networks
DMSN '04 Proceeedings of the 1st international workshop on Data management for sensor networks: in conjunction with VLDB 2004
A Spatiotemporal Query Service for Mobile Users in Sensor Networks
ICDCS '05 Proceedings of the 25th IEEE International Conference on Distributed Computing Systems
A Realtime Dynamic Traffic Control System Based on Wireless Sensor Network
ICPPW '05 Proceedings of the 2005 International Conference on Parallel Processing Workshops
Gossip-based aggregation in large dynamic networks
ACM Transactions on Computer Systems (TOCS)
In-network surface simplification for sensor fields
Proceedings of the 13th annual ACM international workshop on Geographic information systems
Geographic gossip: efficient aggregation for sensor networks
Proceedings of the 5th international conference on Information processing in sensor networks
Perpetual environmentally powered sensor networks
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Ordered Slicing of Very Large-Scale Overlay Networks
P2P '06 Proceedings of the Sixth IEEE International Conference on Peer-to-Peer Computing
A Simple Model and Infrastructure for Context-Aware Browsing of the World
PERCOM '07 Proceedings of the Fifth IEEE International Conference on Pervasive Computing and Communications
Query Processing in Sensor Networks
IEEE Pervasive Computing
Mobile data collection in sensor networks: The TinyLime middleware
Pervasive and Mobile Computing
Logical neighborhoods: a programming abstraction for wireless sensor networks
DCOSS'06 Proceedings of the Second IEEE international conference on Distributed Computing in Sensor Systems
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Next-generation communication services will be required to adapt their behavior to the specific characteristics of the physical and social environment in which they will be invoked. The technology to acquire contextual information will be increasingly available, e.g., in the form of highly-pervasive sensor networks infrastructure. Indeed, such infrastructure can lead to the production of overwhelming amounts of information, difficult to be managed and interpreted by services. This calls for proper solutions to enable services to extract meaningful general-purpose data from distributed sensors in a compact way. The approach presented in this paper relies on a simple algorithm to let a sensor network self-organize a virtual partitioning in correspondence of spatial regions characterized by similar sensing patterns, and to let distributed aggregation of sensorial data take place on a per-region basis. This makes it possible for services to gather information about the surrounding world as if it was generated by a limited number of virtual macro sensors, independently of the actual structure and density of the underlying sensing infrastructure.