-
Fugmann, R.: Concluding remarks (1996)
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- Footnote
- Bericht und zusammenfassende Kommentierung der 4th International ISKO Conference, Washington, July 15-18, 1996.
-
Fugmann, R.: ¬The glamour and the misery of the thesaurus approach : treatise 4 on information retrieval theory (1974)
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- Source
- International classification. 1(1974), S.76-86
-
Fugmann, R.: What is information? : an information veteran looks back (2022)
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- Content
- Vgl.: https://www.nomos-elibrary.de/10.5771/0943-7444-2022-1-3/what-is-information-an-information-veteran-looks-back-jahrgang-49-2022-heft-1?page=1.
- Date
- 18. 8.2022 19:22:57
- Source
- Knowledge organization. 49(2022) no.1, S.3-5
-
Fugmann, R.: ¬The analytico-synthetic foundation for large indexing & information retrieval systems : dedicated to Prof. Dr. Werner Schultheis, the vigorous initiator of modern chem. documentation in Germany on the occasion of his 85th birthday (1983)
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- Footnote
- Rez. in: International classification 12(1985) S.106 (L. Kalok)
- RSWK
- Information und Dokumentation / Systemgrundlage (BVB)
- Subject
- Information und Dokumentation / Systemgrundlage (BVB)
-
Fugmann, R.: Unusual possibilities in indexing and classification (1990)
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- Series
- Advances in knowledge organization; vol.1
- Source
- Tools for knowledge organization and the human interface. Proceedings of the 1st International ISKO Conference, Darmstadt, 14.-17.8.1990. Pt.1
-
Fugmann, R.: Obstacles to progress in mechanized subject access and the necessity of a paradigm change (2000)
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- Abstract
- Contemporary information systems, both the private and the commercially available ones, have often been blamed for their low effectiveness in terms of precision and recall, especially when they have reached considerable size with respect to file volume and use frequency (see, for example, Belkin, 1980; Blair, 1996, p.19; Desai, 1997; Drabenstott, 1996; Knorz, 1998). Saracevic (1989), after having reviewed the contemporary design of online subject access, calls "for radically different design principles and implementation" (p. 107). Van Rijsbergen (1990) writes: "The keywords approach with statistical techniques has reached its theoretical limit and further attempts for improvement are considered a waste of time" (p. 111). Lancaster (1992) deplores that very little really significant literature an subject indexing has been published in the last thirty or so years. In her preface to the Proceedings of the Sixth International Study Conference an Classification Research in 1997, Mcllwaine (1997) writes, "many were surprised to find that the problems with which they wrestle today are not greatly different from those that have been occupying the minds of specialists in the field for over a generation, and probably a great deal longer" (p. v).
- Date
- 22. 9.1997 19:16:05
-
Fugmann, R.: Book indexing : the classificatory approach (1994)
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- Source
- Knowledge organization. 21(1994) no.1, S.29-31
-
Fugmann, R.: ¬The complementarity of natural and index language in the field of information supply : an overview of their specific capabilities and limitations (2002)
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- Footnote
- Vgl. dazu auch den Nachtrag den Verfassers unter 'Letter and errata' in KO 30(2003) no.1, S.38-39
- Source
- Knowledge organization. 29(2002) nos.3/4, S.217-230
-
Fugmann, R.: Toward a theory of information supply and indexing : treatise 6 on retrieval system theory (1976)
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- Source
- International classification. 3(1976), S.3-15
-
Fugmann, R.: Comments on: the UNISIST draft on indexing principles (1977)
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- Source
- International classification. 4(1977), S.32
-
Fugmann, R.; Winter, J.H.: Reverse retrieval : toward analogy inferences by mechanized classification (treatise 7 on retrieval system theory) (1979)
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- Source
- International classification. 6(1979), S.85-91
-
Fugmann, R.; Denk, W.: Variations in the order-creating power of interactive retrieval systems : treatise 8 on retrieval system theory (1980)
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- Source
- International classification. 7(1980), S.73-78
-
Fugmann, R.: ¬The complementarity of natural and indexing languages (1982)
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- Source
- International classification. 9(1982), S.140-144
-
Fugmann, R.: ¬The complementarity of natural and indexing languages (1985)
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- Abstract
- The second Cranfield experiment (Cranfield II) in the mid-1960s challenged assumptions held by librarians for nearly a century, namely, that the objective of providing subject access was to bring together all materials an a given topic and that the achieving of this objective required vocabulary control in the form of an index language. The results of Cranfield II were replicated by other retrieval experiments quick to follow its lead and increasing support was given to the opinion that natural language information systems could perform at least as effectively, and certainly more economically, than those employing index languages. When the results of empirical research dramatically counter conventional wisdom, an obvious course is to question the validity of the research and, in the case of retrieval experiments, this eventually happened. Retrieval experiments were criticized for their artificiality, their unrepresentative sampies, and their problematic definitions-particularly the definition of relevance. In the minds of some, at least, the relative merits of natural languages vs. indexing languages continued to be an unresolved issue. As with many eitherlor options, a seemingly safe course to follow is to opt for "both," and indeed there seems to be an increasing amount of counsel advising a combination of natural language and index language search capabilities. One strong voice offering such counsel is that of Robert Fugmann, a chemist by training, a theoretician by predilection, and, currently, a practicing information scientist at Hoechst AG, Frankfurt/Main. This selection from his writings sheds light an the capabilities and limitations of both kinds of indexing. Its special significance lies in the fact that its arguments are based not an empirical but an rational grounds. Fugmann's major argument starts from the observation that in natural language there are essentially two different kinds of concepts: 1) individual concepts, repre sented by names of individual things (e.g., the name of the town Augsburg), and 2) general concepts represented by names of classes of things (e.g., pesticides). Individual concepts can be represented in language simply and succinctly, often by a single string of alphanumeric characters; general concepts, an the other hand, can be expressed in a multiplicity of ways. The word pesticides refers to the concept of pesticides, but also referring to this concept are numerous circumlocutions, such as "Substance X was effective against pests." Because natural language is capable of infinite variety, we cannot predict a priori the manifold ways a general concept, like pesticides, will be represented by any given author. It is this lack of predictability that limits natural language retrieval and causes poor precision and recall. Thus, the essential and defining characteristic of an index language ls that it is a tool for representational predictability.
- Footnote
- Original in: International classification 9(1982) no.3, S.140-144.
-
Fugmann, R.: ¬The theoretical foundation of the IDC-system : 6 postulates for information retrieval; treatise 1 on information retrieval theory (1972)
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-
Fugmann, R.: On the practice of indexing and its theoretical foundations (1980)
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- Source
- International classification. 7(1980), S.13-20
-
Fugmann, R.: ¬An interactive classaurus on the PC (1990)
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- Source
- International classification. 17(1990) no.3/4, S.133-137
-
Fugmann, R.: Representational predictibility : key to the resolution of several pending issues in indexing and information supply (1994)
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- Source
- Knowledge organization and quality management: Proc. of the 3rd International ISKO Conference, 20-24 June 1994, Copenhagen, Denmark. Ed.: H. Albrechtsen et al
-
Fugmann, R.: Subject analysis and indexing : theoretical foundation and practical advice (1993)
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- Footnote
- Vgl. auch das deutsche Pendant: 'Theoretische Grundlagen der Indexierungspraxis'. - Rez. in: Knowledge organization 21(1994) no.1, S.43-44 (J. Dietze); Journal of documentation 50(1994) no.2, S.149-152 (F.W. Lancaster); Documentaliste 31(1994) no.3, S.189 (J. Maniez); Australian library review 11(1994) no.3, S.369-370 (C. Sturt)
- Series
- Textbooks for knowledge organization; 1
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Fugmann, R.: ¬The empirical approach in the evaluation of information systems (1999)
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- Source
- Knowledge organization. 26(1999) no.1, S.3-9
