Click to edit Master title style Serviço de pesquisa b-on.
Transcript of Click to edit Master title style Serviço de pesquisa b-on.
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Click to edit Master title style
Serviço de pesquisa b-on
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Anterior sistema de pesquisa b-on
Pesquisa federada
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Pesquisa federada
Realizar uma pesquisa simultânea, e em tempo real, em múltiplas bases de dados, a partir de uma única página de pesquisa, com o motor de pesquisa federada a servir de intermediário.
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Principal desvantagem:
Tempo de resposta – Ao pesquisarem em tempo real diversas fontes de informação, os resultados das pesquisas podem demorar vários segundos ou até mesmo minutos (agregado à mais lenta);
Pesquisa federada
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Pesquisa b-on - Futuro
Serviço de descoberta - atual
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Estes serviços fazem uso de um índice unificado de pesquisa para procurarem o conteúdo nas diversas fontes a que têm acesso.
Serviço de descoberta
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Algumas vantagens dos serviços de descoberta:
• A velocidade - em termos de tempos de resposta a “pesquisa em tempo real” de um sistema de pesquisa federada não consegue competir com a “pesquisa indexada” de um sistema de descoberta;
• A vontade dos editores e agregadores de conteúdos em formar parcerias com as empresas que desenvolvem este tipo de soluções (entrega de resultados de pesquisa em “tempo Google”)
Serviço de descoberta
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Área Pessoal
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Pesquisa rápida
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Lista de resultados
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Pesquisa exaustiva
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Lista de resultados
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Lista de resultados
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Lista de resultados
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Lista de resultados
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Lista de resultados
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Gravar pesquisas
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Área pessoal
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Expressão de pesquisa
b-on – periódicos
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Boas pesquisas