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Grossman, D.A.; Frieder, O.: Information retrieval : algorithms and heuristics (2004)
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Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2001)
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Schaarschmidt, R.: Archivierung in Datenbanksystemen : Konzept und Sprache (2001)
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Survey of text mining : clustering, classification, and retrieval (2004)
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