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ICTAI
2010
IEEE
15 years 4 months ago
Metropolis Particle Swarm Optimization Algorithm with Mutation Operator for Global Optimization Problems
When a local optimal solution is reached with classical Particle Swarm Optimization (PSO), all particles in the swarm gather around it, and escaping from this local optima becomes...
Lhassane Idoumghar, M. Idrissi-Aouad, Mahmoud Melk...
WWW
2001
ACM
16 years 7 months ago
Methods for Measuring Search Engine Performance over Time
This study introduces methods for evaluating search engine performance over a time period. Several measures are defined, which as a whole, describe search engine functionality ove...
Judit Bar-Ilan
157
Voted
APAL
2000
61views more  APAL 2000»
15 years 6 months ago
Higher type recursion, ramification and polynomial time
It is shown how to restrict recursion on notation in all finite types so as to characterize the polynomial time computable functions. The restrictions are obtained by using a rami...
Stephen J. Bellantoni, Karl-Heinz Niggl, Helmut Sc...
CDC
2009
IEEE
173views Control Systems» more  CDC 2009»
15 years 10 months ago
Optimality of affine policies in multi-stage robust optimization
In this paper, we show the optimality of a certain class of disturbance-affine control policies in the context of one-dimensional, constrained, multi-stage robust optimization. Ou...
Dimitris Bertsimas, Dan Andrei Iancu, Pablo A. Par...
CONCURRENCY
2010
172views more  CONCURRENCY 2010»
15 years 4 months ago
Modeling of tsunami waves and atmospheric swirling flows with graphics processing unit (GPU) and radial basis functions (RBF)
The faster growth curves in the speed of GPUs relative to CPUs in the past decade and its rapidly gained popularity have spawned a new area of development in computational technol...
Jessica Schmidt, Cécile Piret, Nan Zhang, B...