Sciweavers

766 search results - page 54 / 154
» Commuting aggregation operators
Sort
View
PODS
2005
ACM
211views Database» more  PODS 2005»
14 years 7 months ago
Join-distinct aggregate estimation over update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
Sumit Ganguly, Minos N. Garofalakis, Amit Kumar, R...
ICONS
2009
IEEE
14 years 2 months ago
Power Saving of Real Time Embedded Sensor for Medical Remote Monitoring
The power saving is one of the important issue in the embedded systems. To reduce the consumption of the microprocessor of such a system, a way is to power down it when it is inac...
Frederic Fauberteau, Serge Midonnet, Dan Istrate
ICDCS
2012
IEEE
11 years 10 months ago
Tiresias: Online Anomaly Detection for Hierarchical Operational Network Data
Operational network data, management data such as customer care call logs and equipment system logs, is a very important source of information for network operators to detect prob...
Chi-Yao Hong, Matthew Caesar, Nick G. Duffield, Ji...
DAMON
2009
Springer
14 years 2 months ago
Cache-conscious buffering for database operators with state
Database processes must be cache-efficient to effectively utilize modern hardware. In this paper, we analyze the importance of temporal locality and the resultant cache behavior ...
John Cieslewicz, William Mee, Kenneth A. Ross
SIGMOD
2002
ACM
93views Database» more  SIGMOD 2002»
14 years 7 months ago
Implementing database operations using SIMD instructions
Modern CPUs have instructions that allow basic operations to be performed on several data elements in parallel. These instructions are called SIMD instructions, since they apply a...
Jingren Zhou, Kenneth A. Ross