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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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Tenopir, C.: Full text database retrieval performance (1985)
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Tenopir, C.: Full text databases (1984)
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Frederick, S.C.: SIRE: full-text retrieval with augmented search (1985)
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Calkins, M.: Free text or controlled vocabulary? (1980)
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Tenopir, C.: Searching by controlled vocabulary or free text (1987)
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Ashford, J.H.; Matkin, D.I.: Studies in the application of free text package systems for information storage and retrieval in libraries and related information centres (1982)
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Markey, K.; Atherton, P.; Newton, C.: ¬An analysis of controlled vocabulary and free text search statements in online searches (1980)
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Bernstein, L.M.; Williamson, R.E.: Testing of a natural language retrieval system for a full text knowledge base (1984)
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Ro, J.S.: ¬An evaluation of the applicability of ranking algorithms to improve the effectiveness of full-text retrieval : 1. On the effectiveness of full-text retrieval (1988)
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Graham, T.: ¬The free language approach to online catalogues : the user (1985)
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Free text in information systems: capabilities and limitations (1985)
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Perez, E.: Text enhancement : Controlled vocabulary vs. free text (1982)
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Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985)
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Salton, G.: Another look at automatic text-retrieval systems (1986)
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Cochrane, P.A.: Subject access - free text and controlled : the case of Papua New Guinea (1985)
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