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» Spatial queries in sensor networks
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SIGMOD
2007
ACM
168views Database» more  SIGMOD 2007»
14 years 9 months ago
In-network execution of monitoring queries in sensor networks
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
Xiaoyan Yang, Hock-Beng Lim, M. Tamer Özsu, K...
ICDE
2009
IEEE
158views Database» more  ICDE 2009»
14 years 10 months ago
KSpot: Effectively Monitoring the K Most Important Events in a Wireless Sensor Network
This demo presents a graphical user interface and ranking system, coined KSpot, for effectively monitoring the K highest-ranked answers to a query Q in a Wireless Sensor Network. K...
Panayiotis Andreou, Demetrios Zeinalipour-Yazti, M...
ITCC
2005
IEEE
14 years 2 months ago
Zonal Rumor Routing for Wireless Sensor Networks
has to be relayed to nodes interested in those events. Moreover, nodes may also generate queries to find events they are interested in. Thus there is a need to route the informatio...
Tarun Banka, Gagan Tandon, Anura P. Jayasumana
DEXA
2007
Springer
107views Database» more  DEXA 2007»
14 years 24 days ago
When Mobile Objects' Energy Is Not So Tight: A New Perspective on Scalability Issues of Continuous Spatial Query Systems
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
Tai T. Do, Fuyu Liu, Kien A. Hua
CIKM
2005
Springer
14 years 2 months ago
Localized routing trees for query processing in sensor networks
In this paper, we propose a novel energy-efficient approach, a localized routing tree (LRT) coupled with a route redirection (RR) strategy, to support various types of queries. LR...
Jie Lian, Lei Chen 0002, Kshirasagar Naik, M. Tame...