-
Ranganathan, S.R.: Subject headings and facet analysis (1964)
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- Journal of documentation. 20(1964), S.109-119
-
Zadeh, L.A.: Fuzzy sets (1965)
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- Information and control. 8(1965), S.338-353
-
Lancaster, F.W.: On the need for role indicators in postcoordinate retrieval systems (1968)
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- American documentation. 19(1968), S.42-46
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Goffman, W.: ¬A searching procedure for information retrieval (1964)
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- Information storage and retrieval. 2(1964), S.73-78
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Thesaurofacet: a thesaurus and faceted classification for engineering and related subjects (1969)
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- Pages
- xxv, 491 S
-
Needham, C.D.: Organising knowledge in libraries : an introduction to classification and cataloguing (1966)
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- 259 S
-
Tait, J.A.: Authors and titles : an analytical study of the author concept in codes of cataloguing rules in the English language, from that of the British Museum in 1841 to the Anglo-American Cataloguing Rules 1967 (1969)
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- 154 S
-
Garfield, E.: ¬An algorithm for translating chemical names to molecular formulas (1961)
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- Content
- Doctoral dissertation, University of Pennsylvania, 1961. Vgl..: http://www.garfield.library.upenn.edu/essays/v7p441y1984.pdf. Auch in: Essays of an information scientist. Vol. 7. Philadelphia, PA: ISI Press, 1985. S.441-513.
- Pages
- 73 S
-
Hillman, D.J.: Mathematical classification techniques for nonstatic document collections, with particular reference to the problem of relevance (1965)
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- S.177-218
-
Goffman, W.: ¬An indirect method of information retrieval (1968)
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- Information storage and retrieval. 4(1968), S.361-373
-
Lesk, M.E.; Salton, G.: Relevance assements and retrieval system evaluation (1969)
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- Information storage and retrieval. 4(1969), S.343-359
-
Robertson, S.E.: ¬The parametric description of retrieval tests : Part I: The basic parameters (1969)
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- Journal of documentation. 25(1969) no.1, S.1-27
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Ranganathan, S.R.: Library classification through a century (1965)
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- S.15-35
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Good, I.J.: ¬The decision-theory approach to the evaluation of information-retrieval systems (1967)
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- Information storage review. 3(1967), S.31-34
-
Quillian, M.R.: Word concepts : a theory and simulation of some basic semantic capabilities. (1967)
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- Behavioral Science. 12(1967), S.410-430
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Soergel, D.: Mathematical analysis of documentation systems : an attempt to a theory of classification and search request formulation (1967)
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- Information storage and retrieval. 3(1967), S.129-173
-
Austin, D.: Prospects for a new general classification (1969)
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- Journal of Librarianship. 1(1969) no.3, S.149-169