Trust is an aspect that is treated carefully in Grid environments for its open and decentralized nature. This paper extends the discussion in terms of the behavior of nodes members of a computational Grid which applies trust concepts as decision criteria for jobs delegation using multi-agent systems. Also is presented an analysis of trust issues between computational Grid nodes in the moment of task delegation. A trust model was implemented on a multiagents system simulating a Grid environment in order to make agents interactions and analyze trust situations. The results of the implementation consider when personal experience of the agents dismisses the reputation information and how dishonest opinions influence trust calculation.
Este artigo trata de caracterizar o processo de criação do Mundaréu, um dos primeiros podcasts de Antropologia lançados no país. Ele é produzido em parceria entre o Laboratório de Estudos Avançados de Jornalismo (LABJOR) na Universidade Estadual de Campinas e o Departamento de Antropologia na Universidade de Brasília. O artigo discute o que é podcast, podcasting, podosfera, podcasts como divulgação científica, e o formato de podcasting em Antropologia para as atividades de ensino, pesquisa e extensão. Apresenta e reflete sobre as etapas de produção do Mundaréu e seu processo de criação no último biênio.
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