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Kanngießer, V.: Entwicklung eines Volltext-Informationssystems unter Einsatz von SQL* TextRetrieval der Firma Oracle Deutschland GmbH (1992)
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Laegreid, J.A.: SIFT: a Norwegian information retrieval system (1993)
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Reinisch, F.: Wer suchet - der findet? : oder Die Überwindung der sprachlichen Grenzen bei der Suche in Volltextdatenbanken (2000)
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