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Panyr, J.: STEINADLER: ein Verfahren zur automatischen Deskribierung und zur automatischen thematischen Klassifikation (1978)
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Bollmann, P.; Konrad, E.; Schneider, H.-J.; Zuse, H.: Anwendung automatischer Klassifikationsverfahren mit dem System FAKYR (1978)
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Adamson, G.W.; Boreham, J.: ¬The use of an association measure based on character structure to identify semantically related pairs of words and document titles (1974)
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