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Mooers, C.: ¬The indexing language of an information retrieval system (1963)
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- Source
- Information retrieval today: papers presented at an Institute conducted by the Library School and the Cetre for Continuation Study, University of Minnesota, Sept. 19-22, 1962. Ed. by. Wesley Simonton
-
Baer, H.: Bibliothek - Fachbibliothek - Dokumentation : vom Katalog zum automatic information system (1963)
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-
Sharp, J.R.: Some fundamentals of information retrieval (1965)
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-
Goffman, W.; Newill, V.A.: ¬A methodology for test and evaluation of information retrieval systems (1966/67)
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- Source
- Information storage and retrieval. 3(1966/67), S.19-26
-
Farradane, J.E.L.: ¬The challenge of information retrieval (1961)
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-
Swets, J.A.: Information retrieval systems (1963)
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Swets, J.A.: Effectiveness of information retrieval systems (1969)
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-
Farradane, J.: Concept organization for information retrieval (1967)
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- Source
- Information storage and retrieval. 3(1967) S.297-314
-
Sacchi, A.: Instruktion für den Schlagwortkatalog der ETH-Bibliothek (1963)
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- Imprint
- Zürich : Bibliothek der ETH
- Series
- Eidgenössische Technische Hochschule; Schriftenreiehe der Bibliothek; Nr.8
-
Borko, H.: Determining user requirements for an information storage and retrieval system : a systems approach (1962)
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- Source
- Information systems workshop
-
Fuchs, W.R.: Denkmaschinen : mit einem Geleitwort von Professor Dr. Yehoshua Bar-Hillel (1968)
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- LCSH
- Information theory
Elektronische Datenverarbeitung / Informationstheorie
- Subject
- Information theory
Elektronische Datenverarbeitung / Informationstheorie
-
Luhn, H.P.: ¬The automatic derivation of information retrieval encodements from machine-readable texts (1961)
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- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.21-24.
- Source
- Information retrieval and machine translation. Vol.3. Pt.2. Ed. A. Kent
-
Swanson, D.R.: Searching natural language by computer (1960)
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- Footnote
- Ein Klassiker der Beiträge zum Information Retrieval
-
Fairthorne, R.A.: Towards information retrieval (1961)
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-
Armitage, J.E.; Lynch, M.F.: Some structural characteristics of articulated subject indexes (1968)
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- Source
- Information storage and retrieval. 4(1968) no.2, S.101-111
-
Brookes, B.C.: ¬The measure of information retrieval effectiveness proposed by Swets (1968)
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Stiles, H.E.: ¬The association factor in information retrieval (1961)
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-
Berul, L.H.: Document retrieval (1969)
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- Source
- Annual review of information science and technology. 4(1969), S.203-228
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Sachkatalog der Bibliothek des Deutschen Bundestages (1965 ff)
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- Bibliothek des Deutschen Bundestages
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Brown, P.L.; Jones, S.O.: Document retrieval and dissemination in libraries and information centers (1968)
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- Source
- Annual review of information science and technology. 3(1968), S.263-288
