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SIGMOD
2003
ACM
136views Database» more  SIGMOD 2003»
14 years 10 months ago
A Characterization of the Sensitivity of Query Optimization to Storage Access Cost Parameters
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
Frederick Reiss, Tapas Kanungo
CAEPIA
2007
Springer
14 years 4 months ago
Heuristics for Planning with Action Costs
We introduce a non-admissible heuristic for planning with action costs, called the set-additive heuristic, that combines the benefits of the additive heuristic used in the HSP pla...
Emil Keyder, Hector Geffner
COMGEO
2006
ACM
13 years 10 months ago
Cost prediction for ray shooting in octrees
The ray shooting problem arises in many different contexts and is a bottleneck of ray tracing in computer graphics. Unfortunately, theoretical solutions to the problem are not ver...
Boris Aronov, Hervé Brönnimann, Allen ...
SERVICES
2008
95views more  SERVICES 2008»
13 years 11 months ago
Multiobjective Optimization of SLA-Aware Service Composition
In Service Oriented Architecture, each application is ofgned as a set of abstract services, which defines its functions. A concrete service(s) is selected at runtime for tract ser...
Hiroshi Wada, Paskorn Champrasert, Junichi Suzuki,...
MANSCI
2008
68views more  MANSCI 2008»
13 years 10 months ago
Queuing for Expert Services
We consider a monopolist expert offering a service with a `credence' characteristic. A credence service is one where the customer cannot verify, even after a purchase, whethe...
Laurens G. Debo, L. Beril Toktay, Luk N. Van Wasse...