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ICDE
2010
IEEE
233views Database» more  ICDE 2010»
14 years 1 months ago
Polynomial heuristics for query optimization
— Research on query optimization has traditionally focused on exhaustive enumeration of an exponential number of candidate plans. Alternatively, heuristics for query optimization...
Nicolas Bruno, César A. Galindo-Legaria, Mi...
AAAI
2004
13 years 9 months ago
Branching and Pruning: An Optimal Temporal POCL Planner Based on Constraint Programming
A key feature of modern optimal planners such as Graphplan and Blackbox is their ability to prune large parts of the search space. Previous Partial Order Causal Link (POCL) planne...
Vincent Vidal, Hector Geffner
WSC
2007
13 years 10 months ago
Construction noise prediction and barrier optimization using special purpose simulation
Construction projects produce serious environmental pollution and great annoyance to the neighbouring community due to construction noise. This paper presents an application of th...
Anupama Gannoruwa, Janaka Y. Ruwanpura
TASE
2008
IEEE
13 years 7 months ago
On Clamping Planning in Workpiece-Fixture Systems
Deformation at contacts between the workpiece and locators/clamps resulting from large contact forces causes overall workpiece displacement, and affects the localization accuracy o...
Caihua Xiong, Michael Yu Wang, You-Lun Xiong
VLDB
1997
ACM
140views Database» more  VLDB 1997»
13 years 12 months ago
Parallel Query Scheduling and Optimization with Time- and Space-Shared Resources
Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...
Minos N. Garofalakis, Yannis E. Ioannidis