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Ayuda memoria (4): símbolos (operadores) utilizados en búsquedas de información

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Abstract

Presenta los símbolos que se utilizan en la búsqueda de información en una base de datos, tanto las realizadas en el archivo invertido como en búsquedas libre en el texto, con la indicación de la operación que cumplen y un ejemplo de uso.

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  • -, 1990. "Ayuda memoria (4): símbolos (operadores) utilizados en búsquedas de información," Series Históricas 9099, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL).
    • Handle: RePEc:ecr:col048:9099
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    File URL: http://repositorio.cepal.org/handle/11362/9099
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