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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.…

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…

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…

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…

by Brian D. Carlstrom., Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 2001., Includes bibliographical references (p. 171-176)., This electronic version was submitted by the student author. The certified thesis is available in the Institute…

In this thesis, we present a cognitive theory of object-oriented metrics and an empirical study which has as objectives to formally test this theory while validating the metrics and to build a post-release fault proneness prediction model. The four cognitive…

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In this article we present a performance comparison of four symmetric block ciphers namely DES, Triple-DES, AES, and Blowfish. Performance evaluation based on CPU execution time is conducted under WinXP and Ubuntu /Linux version 8.10 operating system platforms. The study…