The design and analysis of spatial data structures
The design and analysis of spatial data structures
Wireless Sensor Networks: An Information Processing Approach
Wireless Sensor Networks: An Information Processing Approach
Proceedings of the 5th international conference on Information processing in sensor networks
MDM '06 Proceedings of the 7th International Conference on Mobile Data Management
SIDnet-SWANS: a simulator and integrated development platform for sensor networks applications
Proceedings of the 6th ACM conference on Embedded network sensor systems
Approximating sensor network queries using in-network summaries
IPSN '09 Proceedings of the 2009 International Conference on Information Processing in Sensor Networks
Dynamic Indexing System for Spatio-temporal Queries in Wireless Sensor Networks
MDM '11 Proceedings of the 2011 IEEE 12th International Conference on Mobile Data Management - Volume 02
Voronoi trees for hierarchical in-network data and space abstractions in wireless sensor networks
Proceedings of the 16th ACM international conference on Modeling, analysis & simulation of wireless and mobile systems
Energy efficient in-network data indexing for mobile wireless sensor networks
SSTD'13 Proceedings of the 13th international conference on Advances in Spatial and Temporal Databases
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We address the problem of efficient in-network processing of hybrid spatial queries in Wireless Sensor Networks (WSN), where the data may correspond to different physical phenomena in different regions. We propose space and communication efficient schemes capable of correlating spatial dimension with different physical values. To trade-off (im)precision vs. energy consumption, the proposed schemes combine rank order statistics, regular sampling, and bitmap representation. We present a proof of concept implementation of the proposed methodology and quantify the benefits of our approach through simulations.