Sciweavers

371 search results - page 9 / 75
» Continuous Query Evaluation over Distributed Sensor Networks
Sort
View
DEXA
2007
Springer
107views Database» more  DEXA 2007»
13 years 11 months 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
SENSYS
2009
ACM
14 years 2 months ago
Integrated distributed energy awareness for wireless sensor networks
Energy in sensor networks is a distributed, non-transferable resource. Over time, differences in energy availability are likely to arise. Protocols like routing trees may concent...
Geoffrey Werner Challen, Jason Waterman, Matt Wels...
INFFUS
2008
175views more  INFFUS 2008»
13 years 7 months ago
Adaptive optimization of join trees for multi-join queries over sensor streams
Data processing applications for sensor streams have to deal with multiple continuous data streams with inputs arriving at highly variable and unpredictable rates from various sour...
Joseph S. Gomes, Hyeong-Ah Choi
ISCI
2006
145views more  ISCI 2006»
13 years 7 months ago
Processing count queries over event streams at multiple time granularities
Management and analysis of streaming data has become crucial with its applications in web, sensor data, network traffic data, and stock market. Data streams consist of mostly nume...
Aykut Ünal, Yücel Saygin, Özgü...
DCOSS
2009
Springer
14 years 2 months ago
Similarity Based Optimization for Multiple Query Processing in Wireless Sensor Networks
Wireless sensor networks (WSNs) have been proposed for a large variety of applications. As the number of applications of sensor networks continue to grow, the number of users in se...
Hui Ling, Taieb Znati