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» Processing proximity queries in sensor networks
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DMSN
2006
ACM
14 years 3 months ago
Impact of multi-query optimization in sensor networks
In this paper, we study the problem of processing multiple queries in a wireless sensor network. We focus on multiquery optimization at the base station level to minimize the numb...
Shili Xiang, Hock-Beng Lim, Kian-Lee Tan
ADC
2008
Springer
114views Database» more  ADC 2008»
14 years 3 months ago
Enabling Resource-Awareness for In-Network Data Processing in Wireless Sensor Networks
The next-generation of wireless sensor platforms allows for more advanced in-network data processing. The central challenge remains energy and communication efficiency. This paper...
Uwe Röhm, Mohamed Medhat Gaber, Quincy Tse
MOBIHOC
2003
ACM
14 years 8 months ago
Connected sensor cover: self-organization of sensor networks for efficient query execution
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
Himanshu Gupta, Samir R. Das, Quinyi Gu
DCOSS
2005
Springer
14 years 2 months ago
Analysis of Gradient-Based Routing Protocols in Sensor Networks
Abstract. Every physical event results in a natural information gradient in the proximity of the phenomenon. Moreover, many physical phenomena follow the diffusion laws. This natu...
Jabed Faruque, Konstantinos Psounis, Ahmed Helmy
SIGMOD
2007
ACM
150views Database» more  SIGMOD 2007»
14 years 9 months ago
System design issues in sensor databases
In-network sensor query processing systems (ISQPs), or sensor databases, have been developed to acquire, process and aggregate data from wireless sensor networks (WSNs). Because W...
Qiong Luo, Hejun Wu