Search (57 results, page 1 of 3)

  • × theme_ss:"Verbale Doksprachen im Online-Retrieval"
  • × year_i:[1990 TO 2000}
  1. Stone, A.T.: Up-ending Cutter's pyramid : the case for making subject references to broader terms (1996) 0.05
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    Abstract
    Subject access in library OPACs might be improved for some users by taking advantage of all of the hierarchical relationships which are indicated on existing LCSH entries. Recommends that cross references pointing to broader terms be displayed, in addition to those for narrower and related terms to which users have traditionally benn directed. Traces the old practice back to Charles Cutter, reports on deliberations of the ALCTS Subject Analysis Committee nearly 120 years later. Discusses practical concerns related to implementing the change, including the accuracy of hierarchical relationships in the LCSH system and possible techniques for using the MARC format to generate the cross references
    Date
    22. 4.1997 20:43:23
    Source
    Cataloging and classification quarterly. 23(1996) no.2, S.5-16
  2. Dikovich, W.; Labner, J.; Schmidt, A.: Schlagwortketten-Recherche für den BIBOS-OPAC (1993) 0.05
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    Source
    Mitteilungen der Vereinigung Österreichischer Bibliothekare. 46(1993) H.2, S.23-32
  3. Davies, R.: Thesaurus-aided searching in search and retrieval protocols (1996) 0.04
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    Abstract
    Open system protocols for search and retrieval have not provided explicit ways in which to implement thesaurus-aided searching. A number of different approaches within the existing protocols, as well as a proposed service, are evaluated. A general approach to implementing thesaurus-aided searching, particularly during consultation of a thesaurus, requires an entirely new service, whose main features are described
    Date
    23. 7.1996 19:14:52
    Series
    Advances in knowledge organization; vol.5
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  4. Svenonius, E.: Precoordination or not? (1995) 0.03
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    Content
    Vgl. auch: Sauperl, A.: Precoordination or not?: a new view of the old question. In: Journal of documentation. 65(2009) no.5, S.817-833.
    Date
    20. 6.2010 14:23:18
    Footnote
    Vgl. auch die deutsche Übersetzung in: ZfBB (1994) H.3, S.294-297
    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. Studwell, W.E.: ¬The three camps : the present and possible future status of subject access in online catalogues (1996) 0.03
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    Date
    23. 2.1997 19:32:40
  6. Bisig, U.: OPAC und verbale Sacherschließung : ein Beitrag zur RSWK-Diskussion (1994) 0.03
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    Abstract
    In der vorliegenden Form können die RSWK nicht befriedigen. Die geforderte hochdifferenzierte Erschließung ist in einem OPAC wegen der vielfältigen Abfragemöglichkeiten gar nicht nötig, ja eine einheitliche Indexierung und effiziente Suche is aufgrund der komplexen Regeln sogar erschwert. Aufgaben und Probleme der verbalen Sacherschließung in OPACs werden in dieser Arbeit aufgezeigt und Ansätze zu einer Alternative diskutiert. Der traditionelle Indexkatalog hat als Ergänzung des modernen Information Retrieval nur eine Zukunft, wenn die Möglichkeiten der EDV und der Faktor Mensch bei der Regelwerkentwicklung besser berücksichtigt werden
  7. Connell, T.H.: Use of the LCSH system : realities (1996) 0.03
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    Abstract
    Explores the question of whether academic libraries keep up with the changes in the LCSH system. Analysis of the handling of 15 subject headings in 50 academic library catalogues available via the Internet found that libraries are not consistently maintaining subject authority control, or making syndetic references and scope notes in their catalogues. Discusses the results from the perspective of the libraries' performance, performance on the headings overall, performance on references, performance on the type of change made to the headings,a nd performance within 3 widely used onlien catalogue systems (DRA, INNOPAC and NOTIS). Discusses the implications of the findings in relationship to expressions of dissatisfaction with the effectiveness of subject cataloguing expressed by discussion groups on the Internet
    Source
    Cataloging and classification quarterly. 23(1996) no.1, S.73-98
  8. Lopes, M.I.: Principles underlying subject heading languages : an international approach (1996) 0.03
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    Abstract
    Discusses the problems in establishing commonly accepted principles for subject retrieval between different bibliographic systems. The Working Group on Principles Underlying Subject Heading Languages was established to devise general principles for any subject retrieval system and to review existing real systems in the light of such principles and compare them in order to evaluate the extent of their coverage and their application in current practices. Provides a background and history of the Working Group. Discusses the principles underlying subject headings and their purposes and the state of the work and major findings
    Date
    10. 2.2001 10:52:23
  9. Voorbij, H.: ¬Een goede titel behoeft geen trefwoord, of toch wel? : een vergelijkend oderzoek titelwoorden - trefwoorden (1997) 0.03
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    Abstract
    A recent survey at the Royal Library in the Netherlands showed that subject headings are more efficient than title keywords for retrieval purposes. 475 Dutch publications were selected at random and assigned subject headings. The study showed that subject headings provided additional useful information in 56% of titles. Subsequent searching of the library's online catalogue showed that 88% of titles were retrieved via subject headings against 57% through title keywords. Further precision may be achieved with the help of indexing staff, but at considerable cost
    Source
    Informatie professional. 1(1997) no.11, S.23-27
  10. Allen, B.: Improved browsable displays : an experimental test (1993) 0.03
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    Abstract
    Browse searching of online catalogs and electronic indexes is a popular means of retrieving information, but some subject heading lists are so extensive that browsing them can be difficult and time-consuming. This resaerch tested one way of presenting a browse interface to reduce the amount of scanning of subject headings required. It found that a hierarchical presentation of headings reduced the amount of scanning required by more than 50% without any reduction in the effectiveness of the search. Better browsable displays of this sort can improve the efficiency of searching but appear not to alter effectivenenss
    Date
    23. 1.1999 20:39:57
  11. Gödert, W.: Aufbereitung und Recherche von nach RSWK gebildeten Daten in der CD-ROM-Ausgabe der Deutschen Bibliographie (1990) 0.03
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    Source
    Die Schlagwortnormdatei. Entwicklungsstand und Nutzungsmöglichkeiten, Vorträge eines Kolloquiums zur Schlagwortnormdatei (SWD) in Frankfurt a. M. am 5. u. 6.10.1989. Zusammengestellt u. hrsg. von Werner Stephan
  12. Geißelmann, F. (Hrsg.): Sacherschließung in Online-Katalogen (1994) 0.03
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    Abstract
    Es werden die Grundprobleme der Sacherschließung in Online-Katalogen dargestellt. Ein anschließendes Kapitel behandelt das Verhältnis von verbaler und klassifikatorischer Erschließung. Ein wichtiger Teil der Aussagen betrifft das Gebiet der verbalen Sacherschließung und damit das nationale Regelwerk: Es werden Vorschläge für eine Reform der RSWK im Hinblick auf die Erfordernisse der OPAC unterbreitet. Regelwerk und Normdatei (SWD) bilden dabei eine Einheit und werden zusammen betrachtet. Im vergangenen Jahr wurden die Ergebnisse der Expertengruppe mit dem Schwerpunkt Formalerschließung vorgelegt, nun folgen die Aussagen zur Sacherschließung, welche die Expertengruppe - in veränderter personeller Zusammensetzung unter Leitung von Dr. Friedrich Geißelmann, Regensburg - erarbeitet hat. Die bibliothekarische Öffentlichkeit ist aufgefordert, sich dazu bis zum Jahresende zu äußern. Beide Berichte beziehen sich aufeinander und versuchen, den Zusammenhang zwischen Formal- und Sacherschließung herzustellen. Vom gegenwärtigen Stand der Sacherschließung in deutschen Bibliotheken ausgehend - wozu auch durch die Gruppe im Frühjahr 1993 eine Umfrage in wissenschaftlichen und Öffentlichen Bibliotheken gemacht worden ist, werden die Grundprobleme der Sacherschließung in Online-Katalogen dargestellt. Ein anschließendes Kapitel behandelt das Verhältnis von verbaler und klassifikatorischer Erschließung. Ein wichtiger Teil der Aussagen betrifft das Gebiet der verbalen Sacherschließung und damit das nationale Regelwerk: Es werden Vorschläge für ein Reform der RSWK im Hinblick auf die Erfordernisse des OPAC unterbreitet. Regelwerk und Normdatei (SWD) bilden dabei eine Einheit und werden zusammen betrachtet. Es geht um Kettenbildung und Permutationsregeln, Kompositumbildung oder Zerlegung von Begriffen, Pleonasmus, Funktion der SWD, Ansetzung von Schlagwörtern, die Einführung eines Zeit-Codes, Erschließung literarischer Formen und Gattungen, den verwendeten Zeichensatz, den Umgang mit Verweisungen
    Classification
    AN 75000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Bibliothekswesen / Sacherschließung in Bibliotheken / Allgemeines
    AN 50200 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Bibliothekswesen / Bibliographien, Sammelschriften / Schriftenreihen (Indiv.-Sign.)
    Date
    15. 7.2018 16:22:16
    Editor
    Kommission des DBI für Erschließung und Katalogmanagement / Expertengruppe Online-Kataloge
    Footnote
    Rez. in: Mitteilungen VÖB 48(1995) H.1, S.66-68 (K. Niedermair) - Vgl. auch Lepsky, K. in: Bibliotheksdienst 29(1995) H.3, S.500-519; Bibliothek: Forschung u. Praxis 19(1995) H.2, S.251-254 (G. Hartwieg; auch in: LDV-Forum Bd. 12, Nr. 2, Jg. 1995, S.22-29 [unter: http://www.jlcl.org/1995_Heft2/Rezensionen_19-27.pdf]) .
    RVK
    AN 75000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Bibliothekswesen / Sacherschließung in Bibliotheken / Allgemeines
    AN 50200 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Bibliothekswesen / Bibliographien, Sammelschriften / Schriftenreihen (Indiv.-Sign.)
  13. Wilkens, K.: Drei Sätze zur Idee einer integrierten Formal-und Sacherschließung in Datenbanken (1995) 0.02
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    Abstract
    Vorsatz zum Sinn von Normdateien: "Die sachgerechte Nutzung von Normdateien erfordert eine ausgeklügelte Datenbankstruktur, über die sich Bibliothekare und Informatiker offensichtlich erst noch verständigen müssen"; Hauptsatz zur Redundanz von P,T,G,C,K,Z,F - verbale Sacherschließung als Funktion: "Außer den Sachschlagwörtern können alle anderen Schlagwortkategorien der RSWK/SWD 'eingespart', auf die Einrichtung eigener Schlagwortkettenfelder in den Titelaufnahmen kann verzichtet werden: Nachsatz zur 'Kombinatorik': "An die Stelle von Schlagwortketten würden Chiffren für Verknüpfungskombinationen ('Kombinationsmuster') treten, die auch im Sinne von Steuerungsinstrumenten zu nutzen wären"
  14. Svenonius, E.: Präkoordination - ja oder nein? (1994) 0.02
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    Abstract
    Die Diskussion um Vor- und Nachteile von Präkoordination oder Postkoordination wird unter den in der verbalen Sacherschließung Engagierten in Deutschland seit Jahren geführt. Mit zunehmender Verbreitung der RSWK gewinnen die Überlegungen, die sich angesichts der Ausbreitung des OPAC für das 'Zerschlagen' der Schlagwortketten aussprechen, an Bedeutung. In diesem Zusammenhang trägt eine Berücksichtigung der internationalen Debatte um Prä- und Postkoordination zur Erweiterung des nationalen Horizontes bei. Der Beitrag ist eine leicht gekürzte Übersetzung eines Referates, das die Autorin beim IFLA Satellite Meeting zum Thema 'Subject indexing in the 90's - principles and practices' im August 1993 in Lissabon gehalten hat
    Footnote
    Original in: Subject indexing: principles and practices in the 90's. Proceedings ... Ed.: R.P. Holley et al. München: Saur 1995, S.231-255. - Übersetzt und mit einem Nachwort (S.294-296) versehen von M. Heiner-Freiling
    Source
    Zeitschrift für Bibliothekswesen und Bibliographie. 41(1994) H.3, S.279-294
  15. Trinkhaus, M.: Möglichkeiten und Aspekte des sachlichen Zugriffs in Online-Katalogen (1990) 0.02
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    Footnote
    Ursprünglich: Hausarbeit zur Prüfung für den höheren Bibliotheksdienst, Köln: FHBD 1989
    Source
    Bibliothek. Forschung und Praxis. 14(1990), S.193-225
  16. Bisig, U.: Kriterien der Benutzerfreundlichkeit von Sachkatalogen : ein Überblick auf dem Hintergrund von RSWK und OPACs (1995) 0.01
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    Abstract
    Diskutiert verschiedene Kriterium zur Beurteilung des Benutzungskomforts bei thematischen Recherchen: (1) Einheitlichkeit; (2) Genauigkeit; (3) Suchhilfen; (4) Einfachheit; (5) Kosten
  17. Geisselmann, F.; Zerbst, H.-J.: Sacherschließung in Online-Katalogen : Stand der Diskussion (1996) 0.01
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    Series
    Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.63
    Source
    85. Deutscher Bibliothekartag in Göttingen 1995: Die Herausforderung der Bibliotheken durch elektronische Medien und neue Organisationsformen. Hrsg.: S. Wefers
  18. Lepsky, K.: RSWK - und was noch? : Stellungnahme zum Bericht 'Sacherschließung in Online-Katalogen' der Expertengruppe Online-Kataloge (1995) 0.01
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    Abstract
    "So haben wir inzwischen einen Stand der Diskussion erreicht, bei dem zwschen den Anforderungen an das, was Bibliotheken leisten sollten und dem, worüber Bibliothekare reden, eine immense Lücke klafft. Der Bericht der Expertengruppe Online-Kataloge ist dafür nur ein weiteres, leider trauriges Beispiel. Er ist aber auch - dies ist besonders zu bedauern - eine verpaßte Chance, denn hier hätte sich die ideale Gelegenheit geboten, für die neue Katalogform OPAC auch neue Möglichkeiten der Sacherschließung zu diskutieren. Da dies nicht geschehen ist, bleibt nur zu hoffen, daß unter dem sicher stärker werdenden Druck der Benutzer auf die Bibliotheken und deren Informationsangebot auch begonnen wird, offen über die bislang 'heilige Kuh' RSWK zu rden"
  19. Keen, E.M.: Aspects of computer-based indexing languages (1991) 0.01
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    Abstract
    Comments on the relative rarity of research articles on theoretical aspects of subject indexing in computerised retrieval systems and the predominance of articles on software packages and hardware. Concludes that controlled indexing still has a future but points to major differences from the past
    Source
    Computers in libraries international 91. Proceedings of the 5th Annual Conference on Computers in Libraries, London, February 1991
  20. Bösing, L.: Sacherschließung im Verbund aus der Sicht einer Teilnehmerbibliothek (1990) 0.01
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    Source
    Bibliothek: Forschung und Praxis. 14(1990), S.316-318

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