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This thesis, entitled €High Performance Computing for solving large sparse systems. Optical Diffraction Tomography as a case of study€ investigates the computational issues related to the resolution of linear systems o...

Features such as fast response, storage efficiency, fault tolerance and graceful degradation in face of scarce or spurious inputs make neural networks appropriate tools for Intelligent Computer Systems. A neural network ...

Sistemas de Tempo Real são aqueles sistemas onde a execução correta não depende apenas dos resultados lógicos da computação, mas também do tempo no qual os resultados são produzidos, ou seja, se ocorre dentro do...

Este trabalho estuda as várias formas de integração do paralelismo E e do paralelismo OU na Programação em Lógica. O trabalho engloba os principais sistemas, a saber: ANDORRA-I, ACE, ROPM e IDIOM. Ao final, é feit...

▪ Abstract We present an overview of the lattice Boltzmann method (LBM), a parallel and efficient algorithm for simulating single-phase and multiphase fluid flows and for incorporating additional physical complexities....

Interesting real world combinatorial problems are NP-complete and many of them are hard to solve by using traditional methods. However, several heuristic methods have been developed in order to obtain timely suboptimal s...

Digital images are digital signals captured through different means. Sometimes these captured images contain variations combined with the original signal, this variations are called noise. Echo is a particular kind of no...

Se presenta el desarrollo y análisis de performance de la paralelización de un algoritmo de ordenación de archivos basado en la técnica de Sort-Merge sobre distintas arquitecturas. Se estudian tres modelos de arquit...

DECK (Distributed Executive Communication Kernel) is a communication layer that provides support for multithreading and fault tolerance support. The approach retained in DECK is close to other distributed communication k...