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Survey of text mining : clustering, classification, and retrieval (2004)
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Grossman, D.A.; Frieder, O.: Information retrieval : algorithms and heuristics (2004)
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Glöckner-Rist, A.: Suchfragen im Information Retrieval : eine empirische Untersuchung zum Rechercheverhalten von Informationsvermittlern und Endbenutzern (1992)
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