Computer Services
Mostrando 25-36 de 206 artigos, teses e dissertações.
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25. Algoritmos RWA para redes ópticas transparentes considerando limitações da camada física / RWA algorithms for optical transparent networks considering physical impairments
With the proliferation of new multimedia services such as VoIP and IP-TV, an increasing demand for high rates of data transfer is being seen. Thus, the demand on the core of the network is continuously growing, so its capacity must increase in the same ratio to provide a reliable service to end users. The Transparent Optical Networks with WDM appears as a so
Publicado em: 2010
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26. CONTROLE DE ACESSO A RECURSOS COMPUTACIONAIS DE FORMA FLEXÍVEL E DINÂMICA ATRAVÉS DE CONTEXTO / ACCESS CONTROL TO COMPUTER RESOURCES IN A FLEXIBLE AND DYNAMIC THROUGH CONTEXT
A model of access control aims to limit the actions that a User can have legitimate in a system. Its purpose is to improve security by ensuring the properties of integrity and confidentiality. The model of access control is considered standard based on profiles or roles. The profiles are functions that the User can exercise and access permissions to objects
Publicado em: 2010
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27. A five-year hedonic price breakdown for desktop personal computer attributes in Brazil
The purpose of this article is to identify the attributes that discriminate the prices of personal desktop computers. We employ the hedonic price method in evaluating such characteristics. This approach allows market prices to be expressed as a function, a set of attributes present in the products and services offered. Prices and characteristics of up to 3,7
BAR - Brazilian Administration Review. Publicado em: 2009-09
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28. A QoS-Based approach for dynamic web service composition.
Web services have become a de facto standard for integration of systems in distributed environments by providing means for exchanging data in a standardized way over the Internet. In fact, this allows computer-computer interaction regardless the programming languages, platform and operating systems used. However, the way services are defined is not enough fo
Publicado em: 2009
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29. Plataforma de serviços de infra-estrutura para arquiteturas de mobilidade / Infrastructure services platform for mobility architectures
Arquiteturas de micromobilidade vêm sendo propostas para atender ao crescente interesse por tecnologias de mobilidade IP. MPA (Mobility Plane Architecture), desenvolvida na FEEC/Unicamp, é uma solução de micromobilidade baseada em tunelamento de pacotes que emprega apenas protocolos bem estabelecidos. Quando estudou-se aplicações para melhoria de desem
Publicado em: 2009
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30. Me adiciona.com: Ensino de arte+tecnologias contemporâneas+escola pública
The present study aims at investigating possibilities both of computer use and of web particularities as a means to explore, by the teachers, activities in the Art teaching. The computer with internet connection has been progressively transforming itself in unifying equipment of several media, reducing the borderlines between different supports. The easiness
Publicado em: 2009
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31. Criação de modelos organizacionais para cidades digitais baseadas em uma arquitetura peer-to-peer / Building organization models for digital cities peer-to-peer based
Support by the growing of digital cities projects, the main goal of this work is to propose an architecture and an organizational model of information exchange in a digital city building an infrastructure of deploying and consumption of services by citizens. This model aim to promote citizen access to city services and provide easy and wide digital media ava
Publicado em: 2009
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32. ALFABETIZAÇÃO DIGITAL: APRENDIZAGEM E UTILIZAÇÃO DO COMPUTADOR NA VELHICE
The present study aims at analyzing a program of computer literacy (PAD) for the elderly, considering the role of mediators and factors that cause older people to continue using computers or stop using them after the PAD. The study included 37 people, divided into two groups: experimental (EG) and control (CG). We conducted pre and post-test and after six mo
Publicado em: 2009
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33. AvaliaÃÃo e modelagem de desempenho para planejamento de capacidade de sistema de transferÃncia eletrÃnica de fundos utilizando trÃfego em rajada
Over the last years, reliability and availability have become a crucial factor in designing computer systems, especially fault-tolerant ones. In such systems, redundant components are added to the system that continues to function uninterruptedly despite the occurrence of failures. Some well-known techniques to operate spare modules include hot standby, cold
Publicado em: 2009
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34. A informatização da secretaria da fazenda do estado do Ceará e seus efeitos sobre a arrecadaçaõ de ICMS. / The computerization of the Secretary of the State of Ceará and its effects on the collection of GST.
The Finance Department of Ceará State SEFAZ/CE passed in the last 14 years by several programs of structural and technological modernization and through them the computer science was more and more introduced in the institution. With resources caught through financing with the BID Banco Interamericano de Desenvolvimento and own resources of the State it was
Publicado em: 2009
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35. Strategies for computational resources trading in desktop grids / Estrategias para comercialização de recursos computacionais em desktop grids
The association of idle machines in desktop grids architectures represents a significant progress in the solution of complex problems in areas as science, engineering, trade and others. The difficulty in the implementation and in the continuity of these architectures is to maintain the levels of availability demanded by their users. In its majority, the user
Publicado em: 2009
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36. Fábricas de software e a academia: análise da formação acadêmica em informática no município do Rio de Janeiro
As Brazil wants to be perceived as a competitor in providing computer applications and system development services in the global market, the concept of Software Factory gains importance. The metaphor for the 'Factory', when applied to the activity of software development, is used to describe organizations which produce software with a minimum quality standar
Publicado em: 2009