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Harman, D.: Automatic indexing (1994)
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Gödert, W.; Lepsky, K.: Semantische Umfeldsuche im Information Retrieval (1998)
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- Zeitschrift für Bibliothekswesen und Bibliographie. 45(1998) H.4, S.401-423
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Buckley, C.; Allan, J.; Salton, G.: Automatic routing and retrieval using Smart : TREC-2 (1995)
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- Information processing and management. 31(1995) no.3, S.315-326