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Lepsky, K.: Maschinelle Indexierung von Titelaufnahmen zur Verbesserung der sachlichen Erschließung in Online-Publikumskatalogen (1994)
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Hirawa, M.: Role of keywords in the network searching era (1998)
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Hauer, M.: Neue Qualitäten in Bibliotheken : Durch Content-Ergänzung, maschinelle Indexierung und modernes Information Retrieval können Recherchen in Bibliothekskatalogen deutlich verbessert werden (2004)
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