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» Three Inadequate Models
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2000
ACM
15 years 9 months ago
Performance Modeling and Tuning of an Unstructured Mesh CFD Application
This paper describes performance tuning experiences with a three-dimensional unstructured grid Euler flow code from NASA, which we have reimplemented in the PETSc framework and p...
William Gropp, Dinesh K. Kaushik, David E. Keyes, ...
114
Voted
ICCAD
1996
IEEE
74views Hardware» more  ICCAD 1996»
15 years 9 months ago
Optimal non-uniform wire-sizing under the Elmore delay model
We consider non-uniform wire-sizing for general routing trees under the Elmore delay model. Three minimization objectives are studied: 1) total weighted sink-delays; 2) total area...
Chung-Ping Chen, Hai Zhou, D. F. Wong
CIS
2009
Springer
15 years 9 months ago
A Hierarchical Artificial Immune Model for Virus Detection
Abstract-- As viruses become more complex, existing antivirus methods are inefficient to detect various forms of viruses, especially new variants and unknown viruses. Inspired by i...
Wei Wang, Pengtao Zhang, Ying Tan, Xingui He
INCDM
2010
Springer
152views Data Mining» more  INCDM 2010»
15 years 9 months ago
The Impact of Experimental Setup on Prepaid Churn Modeling: Data, Population and Outcome Definition
Prepaid customers in mobile telecommunications are not bound by a contract and can therefore change operators (‘churn’) at their convenience and without notification. This make...
Dejan Radosavljevik, Peter van der Putten, Kim Kyl...
ATAL
2004
Springer
15 years 8 months ago
A Model of Almost Everything: Norms, Structure and Ontologies in Agent Organizations
In this paper, we propose a framework for modelling agent organizations, OMNI, that allows the balance of global organizational requirements with the autonomy of individual agents...
Virginia Dignum, Javier Vázquez-Salceda, Fr...