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ESA
2005
Springer
107views Algorithms» more  ESA 2005»
14 years 1 months ago
Workload-Optimal Histograms on Streams
Histograms are used in many ways in conventional databases and in data stream processing for summarizing massive data distributions. Previous work on constructing histograms on da...
S. Muthukrishnan, Martin Strauss, X. Zheng
IJSNET
2010
122views more  IJSNET 2010»
13 years 6 months ago
Ensuring high sensor data quality through use of online outlier detection techniques
: Data collected by Wireless Sensor Networks (WSNs) are inherently unreliable. Therefore, to ensure high data quality, secure monitoring, and reliable detection of interesting and ...
Yang Zhang, Nirvana Meratnia, Paul J. M. Havinga
ICDE
2008
IEEE
182views Database» more  ICDE 2008»
14 years 9 months ago
A Generic Framework for Continuous Motion Pattern Query Evaluation
We introduce a novel query type defined over streaming moving object data, namely, the Continuous Motion Pattern (CMP) Queries. A motion pattern is defined as a sequence of distin...
Petko Bakalov, Vassilis J. Tsotras
SEBD
2003
144views Database» more  SEBD 2003»
13 years 9 months ago
Approximate Query Answering on Sensor Network Data Streams
Abstract. Sensor networks represent a non traditional source of information, as readings generated by sensors flow continuously, leading to an infinite stream of data. Traditiona...
Alfredo Cuzzocrea, Filippo Furfaro, Elio Masciari,...
GIS
2004
ACM
14 years 8 months ago
Spatio-temporal aggregates over raster image data
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
Jie Zhang, Michael Gertz, Demet Aksoy