This thesis attempts to gauge the strengths and limitations of the Java programming language in terms of its use in the production of multimedia compositions: in particular, the ways in which Java supports the creation of interactive, non-deterministic musical works.…

Java provides many attractive features such as platform independence, execution safety, garbage collection and object orientation. These features facilitate application development but are expensive to support; applications written in Java are often much slower than their counterparts written in C…

The objective of this work is to supply one more contribution to the scientific community presenting techniques that will be used in distributed systems that need file replications in real time guaranteeing the permanent availability of the system. As the…

by Tony Chao., Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000., Includes bibliographical references (p. 64-66)., This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and…

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Este artigo apresenta a descrição do ambiente IMAGUS enfatizando aspectos da implementação do protótipo do ambiente. O IMAGUS permite a construção de materiais com fins pedagógicos que se utilizam de vídeos acessado via Internet.
O protótipo foi desenvolvido para validar…

As aplicações distribuídas estão potencialmente sujeitas a falhas. A orientação a grupos é uma boa ferramenta para garantir a continuidade da aplicação, mesmo na presença de falhas. Este artigo apresenta a implementação de um protocolo multicast confiável, para comunicação de…

Nondeterminism makes distributed concurrent systems difficult to test, monitor and control. An execution of a message-passing system is nondeterministic when message races exist. Message race occurs when, e.g., multiple conflicting requests from different clients are competing to be executed within…

Este artículo presenta una evolución de un ambiente de simulación donde se modelizan e implementan situaciones en la que una BDD debe mantener la integridad de la información ante fallos producidos durante la ejecución de transacciones, enfocándose principalmente en la…

La representación tridimensional de grandes volúmenes de datos de terreno requiere un gran número de polígonos y de texturas, significando un problema la transmisión por red de los modelos. El enfoque multiresolución permite la transmisión progresiva, es decir, la transmisión…