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» Semantics of Spatial Window over Spatio-Temporal Data Stream
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EDBTW
2006
Springer
13 years 11 months ago
Window Specification over Data Streams
Several query languages have been proposed for managing data streams in modern monitoring applications. Continuous queries expressed in these languages usually employ windowing con...
Kostas Patroumpas, Timos K. Sellis
SIGMOD
2006
ACM
123views Database» more  SIGMOD 2006»
14 years 7 months ago
Exploiting predicate-window semantics over data streams
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...
Thanaa M. Ghanem, Walid G. Aref, Ahmed K. Elmagarm...
EDBT
2009
ACM
166views Database» more  EDBT 2009»
14 years 4 days ago
Neighbor-based pattern detection for windows over streaming data
The discovery of complex patterns such as clusters, outliers, and associations from huge volumes of streaming data has been recognized as critical for many domains. However, patte...
Di Yang, Elke A. Rundensteiner, Matthew O. Ward
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
14 years 7 months ago
Semantics and Evaluation Techniques for Window Aggregates in Data Streams
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
Jin Li, David Maier, Kristin Tufte, Vassilis Papad...
BNCOD
2008
129views Database» more  BNCOD 2008»
13 years 9 months ago
A Semantics for a Query Language over Sensors, Streams and Relations
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
Christian Y. A. Brenninkmeijer, Ixent Galpin, Alva...