-
Veenema, F.: To index or not to index (1996)
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- Canadian journal of information and library science. 21(1996) no.2, S.1-22
-
Booth, A.: How consistent is MEDLINE indexing? (1990)
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- Health libraries review. 7(1990) no.1, S.22-26
-
Gretz, M.; Thomas, M.: Indexierungen in biomedizinischen Literaturdatenbanken : eine vergleichende Analyse (1991)
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- Nachrichten für Dokumentation. 42(1991) H.5, S.337-344 (T.1); 42(1991) H.6, S.405-411 (T.2)
-
Braam, R.R.; Bruil, J.: Quality of indexing information : authors' views on indexing of their articles in chemical abstracts online CA-file (1992)
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Rowley, J.: ¬The controlled versus natural indexing languages debate revisited : a perspective on information retrieval practice and research (1994)
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Ellis, D.; Furner, J.; Willett, P.: On the creation of hypertext links in full-text documents : measurement of retrieval effectiveness (1996)
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Ladewig, C.; Rieger, M.: Ähnlichkeitsmessung mit und ohne aspektische Indexierung (1998)
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- nfd Information - Wissenschaft und Praxis. 49(1998) H.8, S.459-462
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Tseng, Y.-H.: Keyword extraction techniques and relevance feedback (1997)
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