Sciweavers

2071 search results - page 371 / 415
» An Empirical Evaluation of LFG-DOP
Sort
View
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
15 years 11 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
MOBISYS
2004
ACM
15 years 10 months ago
Impact of Radio Irregularity on Wireless Sensor Networks
In this paper, we investigate the impact of radio irregularity on the communication performance in wireless sensor networks. Radio irregularity is a common phenomenon which arises...
Gang Zhou, Tian He, Sudha Krishnamurthy, John A. S...
MOBISYS
2004
ACM
15 years 10 months ago
NWSLite: A Light-Weight Prediction Utility for Mobile Devices
Computation off-loading, i.e., remote execution, has been shown to be effective for extending the computational power and battery life of resource-restricted devices, e.g., hand-h...
Selim Gurun, Chandra Krintz, Richard Wolski
PPOPP
2010
ACM
15 years 8 months ago
A distributed placement service for graph-structured and tree-structured data
Effective data placement strategies can enhance the performance of data-intensive applications implemented on high end computing clusters. Such strategies can have a significant i...
Gregory Buehrer, Srinivasan Parthasarathy, Shirish...
SDM
2009
SIAM
176views Data Mining» more  SDM 2009»
15 years 8 months ago
Discovery of Geospatial Discriminating Patterns from Remote Sensing Datasets.
Large amounts of remotely sensed data calls for data mining techniques to fully utilize their rich information content. In this paper, we study new means of discovery and summariz...
Wei Ding 0003, Tomasz F. Stepinski, Josue Salazar