287 search results - page 7 / 58 » Optimization Techniques for Queries with Expensive Methods |
GECCO
2008
Springer
13 years 8 months ago
2008
Springer
Evolutionary Algorithms’ (EAs’) application to real world optimization problems often involves expensive fitness function evaluation. Naturally this has a crippling effect on ...
CEC
2008
IEEE
14 years 1 months ago
2008
IEEE
—Much of the computational complexity in employing evolutionary algorithms as optimization tool is due to the fitness function evaluation that may either not exist or be computat...
SIGMOD
1999
ACM
13 years 11 months ago
1999
ACM
We explore the execution of queries with client-site userdefined functions (UDFs). Many UDFs can only be executed at the client site, for reasons of scalability, security, confide...
ICRA
2009
IEEE
13 years 5 months ago
2009
IEEE
Abstract-- Existing high-dimensional motion planning algorithms are simultaneously overpowered and underpowered. In domains sparsely populated by obstacles, the heuristics used by ...
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...