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  • × author_ss:"Fugmann, R."
  1. Fugmann, R.: Obstacles to progress in mechanized subject access and the necessity of a paradigm change (2000) 0.05 
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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
    Source
    Saving the time of the library user through subject access innovation: Papers in honor of Pauline Atherton Cochrane. Ed.: W.J. Wheeler
  2. Fugmann, R.: Bridging the gap between database indexing and book indexing (1997) 0.03 
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    Abstract
    Traditionally, database indexing and book indexing have been looked upon as being quite distinct and have been kept apart in textbooks and teaching. The traditional borderline between both variations of indexing, however, should not conceal fundamental commonalities of the two approaches. For example, theausurus construction and usage, quite common in databases, has hardly been encountered in book indexing so far. Database indexing, on the other hand, has hardly made use of subheadings of the syntax-displaying type, quite common in book indexing. Most database users also prefer precombining vocabulary units and reject concept analysis. However, insisting on precombining descriptors in a large database vocabulary may, in the long run, well be destructive to the quality, of indexing and of the searches. A complementary approach is conceivable which provides both precombinations and analyzed subjects, both index language syntax and subheadings, and provides access to an information system via precombinations, without jeopardizing the manageability of the vocabulary. Such an approach causes considerable costs in input because it involves a great deal of intellectual work. On the other hand, much time and costs will be saved in the use of the system. In addition, such an approach would endow an information system with survival power
  3. Fugmann, R.: What is information? : an information veteran looks back (2022) 0.00 
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    Date
    18. 8.2022 19:22:57
  4. Fugmann, R.: ¬The complementarity of natural and controlled languages in indexing (1995) 0.00 
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    Source
    Subject indexing: principles and practices in the 90's. Proceedings of the IFLA Satellite Meeting Held in Lisbon, Portugal, 17-18 August 1993, and sponsored by the IFLA Section on Classification and Indexing and the Instituto da Biblioteca Nacional e do Livro, Lisbon, Portugal. Ed.: R.P. Holley et al
  5. Fugmann, R.: ¬Die Aufgabenteilung zwischen Wortschatz und Grammatik in einer Indexsprache (1979) 0.00 
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  6. Fugmann, R.: Natursprache versus Indexsprache in der Chemie-Dokumentation (1982) 0.00 
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  7. Fugmann, R.: Ordnung: oberstes Gebot in der Dokumentation : zugeich ein Beitrag zu einer Theorie der Dokumentation (1962) 0.00 
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  8. Fugmann, R.: Illusory goals in information science research (1992) 0.00 
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    Abstract
    The human's expressing general concepts in uncontrolled natural language, his information need, and meaning recognition in and essence selection from texts are indeterminate processes and therefore defy any satisfactory formalization and programming. Where the equivalence or even superiority of algorithmic approaches to these golas has been claimed, the authors have worked under artificial, experimental conditions and/or have in their evaluation referred to those approaches that are far from exploiting the capabilities of intellectual content analysis, representation and query phrasing
  9. Fugmann, R.; Braun, W.; Vaupel, W.: GREMAS: ein Weg zur Klassifikation und Dokumentation in der Organischen Chemie (1963) 0.00 
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  10. Fugmann, R.: ¬Der Weg in die Sackgasse bei der mechanisierten Dokumentation (1966) 0.00 
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  11. Fugmann, R.; Denk, W.: Variations in the order-creating power of interactive retrieval systems : treatise 8 on retrieval system theory (1980) 0.00 
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  12. Fugmann, R.: ¬Die Entlinearisierung und Strukturierung von Texten zur Inhaltserschließung und Wissensrepräsentation (1996) 0.00 
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    Abstract
    In der linearen Struktur eines natursprachigen Textes sind zwangsläufig viele syntaktisch verknüpfte Begriffe getrennt. Dier hierdurch bedingte Mangel an Ordnung zwingt dazu, einen Text von Anfang bis zu Ende durchzulesen, bevor man einen Überblick über das Umfeld eines gesuchten begriffes gewonnen hat. Noch im letzten Satz kann hierzu eine wichtige Aussage gemacht worden sein. Hat man in einem Informationssystem eine kategorisierte Indexsprache zur Verfügung, so lassen sich im Interesse eines besseren Überblickes und einer höheren Ordnung die zusammengehörenden Begriffe eines Textes nach einfachen Regeln zweidimensional gruppieren
    Content
    Mit dem Vorschlag eines sog. 'Positionsindexates', um den Kontext zu ermitteln, in dem Begriffe im Dokument vorkommen
    Series
    Fortschritte in der Wissensorganisation; Bd.4
    Source
    Analogie in der Wissensrepräsentation: Case-Based Reasoning und räumliche Modelle. 4. Tagung der deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation, Trier, 17.-20. Oktober 1995. Hrsg.: H. Czap u.a
  13. Fugmann, R.: Theoretische Grundlagen der Indexierungspraxis (1985) 0.00 
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    Content
    Enthält in gut verständlicher Form u.a. eine Darstellung der Konzepte 'Vorhersagbarkeit' und 'Wiedergabetreue' von Elementen einer Indexierungssprache
    Source
    Anwendungen in der Klassifikation. I. Proc. 8. Jahrestagung der Gesellschaft für Klassifikation, Hofgeismar, 10.-13.4.1984. Hrsg.: R.G. Henzler
  14. Fugmann, R.: Informationstheorie: Der Jahrhundertbluff : Eine zeitkritische Betrachtung (Teil 2) (2008) 0.00 
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    Abstract
    In diesem 2. Teil erfolgt die detaillierte kritische Betrachtung der "Informationstheorie".
    Content
    Vgl. Teil 1 in: Information - Wissenschaft und Praxis. 58(2007) H.8, S.449-458.
  15. Fugmann, R.: ¬The complementarity of natural and index language in the field of information supply : an overview of their specific capabilities and limitations (2002) 0.00 
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    Abstract
    Natural text phrasing is an indeterminate process and, thus, inherently lacks representational predictability. This holds true in particular in the Gase of general concepts and of their syntactical connectivity. Hence, natural language query phrasing and searching is an unending adventure of trial and error and, in most Gases, has an unsatisfactory outcome with respect to the recall and precision ratlos of the responses. Human indexing is based an knowledgeable document interpretation and aims - among other things - at introducing predictability into the representation of documents. Due to the indeterminacy of natural language text phrasing and image construction, any adequate indexing is also indeterminate in nature and therefore inherently defies any satisfactory algorithmization. But human indexing suffers from a different Set of deficiencies which are absent in the processing of non-interpreted natural language. An optimally effective information System combines both types of language in such a manner that their specific strengths are preserved and their weaknesses are avoided. lf the goal is a large and enduring information system for more than merely known-item searches, the expenditure for an advanced index language and its knowledgeable and careful employment is unavoidable.
    Footnote
    Vgl. dazu auch den Nachtrag den Verfassers unter 'Letter and errata' in KO 30(2003) no.1, S.38-39
  16. Fugmann, R.; Kusemann, G.; Winter, H.J.: ¬The supply of information an chemical reactions in the IDC system (1979) 0.00 
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  17. Fugmann, R.: On the role of subjectivity in establishing, using, operating and evaluating information retrieval systems : treatise 2 on information retrieval theory (1973) 0.00 
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  18. Fugmann, R.: Representational predictibility : key to the resolution of several pending issues in indexing and information supply (1994) 0.00 
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    Abstract
    The low effectiveness of most current information systems has often been pointed out and deplored. A number of misconceptions and experiments under unrealistic conditions have contributed to the faulty design and evaluation of information systems. The postulate of representational predictibility can help to clarify some of the still pending issues as there are the strenghts and limitations of uncontrolled natural language text in retrieval systems, factors for their evaluation, the reliability, consistency, and exhaustivity of indexing, the postulated 'inverse precision-recall relationship', and the usefulness of syntactical evices. The performance of information systems can be imporved if representational predictibility is aimed at in their design and operational use
    Series
    Advances in knowledge organization; vol.4
  19. Fugmann, R.: Experiences with a faceted classification in organic chemistry using computers (1965) 0.00 
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  20. Fugmann, R.: ¬The empirical approach in the evaluation of information systems (1999) 0.00 
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    Abstract
    The comparative evaluation of different mechanized information systems continues to constitute a controversial topic in the literature. Diametrically differemt opinions, seemingly corroborated through empirical evidence, have been presented since the time of the Cranfield experiments. For literally anything an empirical 'proof' can be submitted provided that suitable examples are selected and methods are chosen. substantial advance in Library and Information Science requires abandoning empiricism. Budd's 'hermeneutic phenomenoloy' seems to constitute a promising substitute
    Footnote
    Dedicated to Dr. Ingetraut Dahlberg on the occasion of her retirement from ISKO presidency, in recognition of her merits for the foundation of ISKO and of her untiring efforts for its sustainment

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  • e 20
  • d 18

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  • a 33
  • m 5

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