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  1. Olvera Lobo, M.D.: Rendimiento de los sistemas de recuperacion de informacion en al World Wide Web : revision metodologica (2000) 0.04 
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    Footnote
    Übers. d. Titels: Methodology for evaluating information retrieval in WWW search engines
  2. Martinez Méndez, F.J.: Aproximacion general a la evaluacion de la recuperacion mediante motores de busqueda en Internet (2001) 0.01 
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    Footnote
    Übers. des Titels: A general approach for the evaluation of the information retrieval capabilities of search engines
  3. Pulido, J.R.V.: Recupracion de la information en Internet : motores y otros agentes des busqueda (1997) 0.01 
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    Footnote
    Übers. des Titels: Perspectives on the retrieval and exploitation of electronic information: data mining

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