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IOR
2006
75views more  IOR 2006»
15 years 6 months ago
Sensitivity of Performance in the Erlang-A Queueing Model to Changes in the Model Parameters
This paper studies the M/M/s+M queue, i.e., the M/M/s queue with customer abandonment, also called the Erlang-A model, having independent and identically distributed customer aban...
Ward Whitt
IS
2006
15 years 6 months ago
Incremental maintenance of aggregate and outerjoin expressions
Views stored in a data warehouse need to be kept current. As recomputing the views is very expensive, incremental maintenance algorithms are required. Over recent years, several i...
Himanshu Gupta, Inderpal Singh Mumick
ISEM
2006
91views more  ISEM 2006»
15 years 6 months ago
Computational experimentations in market and supply-chain co-design: a mixed agent approach
The synthetic environment for analysis and simulations (SEAS) is a computational experimentation environment that mimics real life economies, with multiple interlinked markets, mul...
Alok R. Chaturvedi, Shailendra Raj Mehta, Daniel R...
JACIII
2006
114views more  JACIII 2006»
15 years 6 months ago
A Theoretical Formulation of Object-Oriented Rough Set Models
ata forms, and abstract structural hierarchy based on is-a relationship and has-a relationship. Object structures illustrate many kinds of objects and actual dependence among objec...
Yasuo Kudo, Tetsuya Murai
JACM
2006
92views more  JACM 2006»
15 years 6 months ago
The generalized two-server problem
We consider the generalized on-line two-server problem in which at each step each server receives a request, which is a point in a metric space. One of the servers has to be moved ...
René A. Sitters, Leen Stougie