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» Monitoring Plan Optimality During Execution
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SIGMOD
2007
ACM
150views Database» more  SIGMOD 2007»
14 years 7 months ago
Exploiting self-monitoring sample views for cardinality estimation
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
Jingren Zhou, Per-Åke Larson, Peter Zabback,...
BTW
2005
Springer
113views Database» more  BTW 2005»
14 years 1 months ago
A Learning Optimizer for a Federated Database Management System
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
IJCGA
2010
155views more  IJCGA 2010»
13 years 6 months ago
Competitive Complexity of Mobile Robot on-Line Motion Planning Problems
This paper is concerned with on-line problems where a mobile robot of size D has to achieve a task in an unknown planar environment whose geometry is acquired by the robot during ...
Yoav Gabriely, Elon Rimon
ICDE
2009
IEEE
139views Database» more  ICDE 2009»
14 years 9 months ago
Minimizing Communication Cost in Distributed Multi-query Processing
Increasing prevalence of large-scale distributed monitoring and computing environments such as sensor networks, scientific federations, Grids etc., has led to a renewed interest in...
Jian Li, Amol Deshpande, Samir Khuller
VLSID
2005
IEEE
285views VLSI» more  VLSID 2005»
14 years 8 months ago
Power Monitors: A Framework for System-Level Power Estimation Using Heterogeneous Power Models
Abstract--Power analysis early in the design cycle is critical for the design of lowpower systems. With the move to system-level specifications and design methodologies, there has ...
Nikhil Bansal, Kanishka Lahiri, Anand Raghunathan,...