Sciweavers

49 search results - page 2 / 10
» Dynamic Plan Migration for Continuous Queries Over Data Stre...
Sort
View
SSD
2007
Springer
171views Database» more  SSD 2007»
13 years 11 months ago
Transformation of Continuous Aggregation Join Queries over Data Streams
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
Tri Minh Tran, Byung Suk Lee
GIS
2006
ACM
14 years 5 months ago
Optimization of multiple continuous queries over streaming satellite data
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
Quinn Hart, Michael Gertz
TKDE
2012
487views Formal Methods» more  TKDE 2012»
11 years 7 months ago
Query Planning for Continuous Aggregation Queries over a Network of Data Aggregators
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
Rajeev Gupta, Krithi Ramamritham
SSDBM
2005
IEEE
140views Database» more  SSDBM 2005»
13 years 10 months ago
Optimizing In-Order Execution of Continuous Queries over Streamed Sensor Data
The widespread use of sensor networks in scientific and engineering applications leads to increased demand on the efficient computation of the collected sensor data. Recent rese...
Moustafa A. Hammad, Walid G. Aref, Ahmed K. Elmaga...
SAC
2011
ACM
12 years 7 months ago
Secure shared continuous query processing
Data stream management systems (DSMSs) process continuous queries over streaming data in real-time adhering to quality of service requirements. The data streams generated from sen...
Raman Adaikkalavan, Thomas Perez