Sciweavers

75 search results - page 8 / 15
» Multi-dimensional range queries in sensor networks
Sort
View
SENSYS
2004
ACM
15 years 3 months ago
Medians and beyond: new aggregation techniques for sensor networks
Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensors, however, have significant power constraint (battery life), makin...
Nisheeth Shrivastava, Chiranjeeb Buragohain, Divya...
ICDE
2005
IEEE
108views Database» more  ICDE 2005»
15 years 11 months ago
Range Efficient Computation of F0 over Massive Data Streams
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
Pavan Aduri, Srikanta Tirthapura
EWSN
2006
Springer
15 years 9 months ago
Constraint-Based Distance Estimation in Ad-Hoc Wireless Sensor Networks
Abstract. We propose a lightweight localisation approach for supporting distance and range queries in ad hoc wireless sensor networks. In contrast to most previous localisation app...
Urs Bischoff, Martin Strohbach, Mike Hazas, Gerd K...
SENSYS
2005
ACM
15 years 3 months ago
Sensor networks for medical care
Sensor networks have the potential to greatly impact many aspects of medical care. By outfitting patients with wireless, wearable vital sign sensors, collecting detailed real-tim...
Victor Shnayder, Bor-rong Chen, Konrad Lorincz, Th...
VLDB
2005
ACM
112views Database» more  VLDB 2005»
15 years 3 months ago
REED: Robust, Efficient Filtering and Event Detection in Sensor Networks
This paper presents a set of algorithms for efficiently evaluating join queries over static data tables in sensor networks. We describe and evaluate three algorithms that take adv...
Daniel J. Abadi, Samuel Madden, Wolfgang Lindner