-
Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984)
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- 20.10.2000 12:22:23
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Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983)
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- S.22-25
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Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983)
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- 14. 3.1996 13:22:21
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Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989)
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- 9. 1.1996 10:22:31
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Lochbaum, K.E.; Streeter, A.R.: Comparing and combining the effectiveness of latent semantic indexing and the ordinary vector space model for information retrieval (1989)
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- Source
- Information processing and management. 25(1989) no.6, S. 665-676
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MacCain, K.W.; White, H.D.; Griffith, B.C.: Comparing retrieval performance in online data bases (1987)
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- Information processing and management. 23(1987), S.539-553