Search (33 results, page 1 of 2)

  • × theme_ss:"Klassifikationssysteme im Online-Retrieval"
  • × type_ss:"a"
  • × year_i:[1990 TO 2000}
  1. Gödert, W.: Facettenklassifikation im Online-Retrieval (1992) 0.04 
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    Abstract
    Facettenklassifikationen wurden bislang vorwiegend im Hinblick auf ihre Verwendungsmöglichkeiten in präkombinierten systematischen Katalogen bzw. Bibliographien betrachtet, nicht so sehr unter dem Aspekt eines möglichen Einsatzes in postkoordinierenden Retrievalsystemen. Im vorliegenden Beitrag soll nachgewiesen werden, daß Facettenklassifikationen anderen Techniken des Online Retrievals überlegen sein können. Hierzu sollten Begriffs- und Facettenanalyse mit einem strukturabbildenden Notationssystem kombiniert werden, um mit Hilfe Boolescher Operatoren (zur Verknüpfung von Facetten unabhängig von einer definierten Citation order) und Truncierung hierarchisch differenzierte Dokumentenmengen für komplexe Fragestellungen zu erhalten. Die Methode wird an zwei Beispielen illustriert: das erste nutzt eine kleine, von B. Buchanan entwickelte Klassifikation, das zweite das für Library and Information Science Abstracts (LISA) verwendete Klassifikationssystem. Weiter wird am Beispiel PRECIS diskutiert, welche Möglichkeiten des syntaktischen Retrievals Rollenoperatoren bieten können.
    Source
    Bibliothek: Forschung und Praxis. 16(1992) H.3, S.382-395
  2. Geißelmann, F.: Online-Version einer Aufstellungssystematik (1995) 0.03 
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    Imprint
    Oldenburg : Bibliotheks- und Informationssystem
    Source
    Aufbau und Erschließung begrifflicher Datenbanken: Beiträge zur bibliothekarischen Klassifikation. Eine Auswahl von Vorträgen der Jahrestagungen 1993 (Kaiserslautern) und 1994 (Oldenburg) der Gesellschaft für Klassifikation. Hrsg.: H. Havekost u. H.-J. Wätjen
  3. Gödert, W.: Strukturierung von Klassifikationssystemen und Online-Retrieval (1995) 0.03 
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    Imprint
    Oldenburg : Bibliotheks- und Informationssystem
    Source
    Aufbau und Erschließung begrifflicher Datenbanken: Beiträge zur bibliothekarischen Klassifikation. Eine Auswahl von Vorträgen der Jahrestagungen 1993 (Kaiserslautern) und 1994 (Oldenburg) der Gesellschaft für Klassifikation. Hrsg.: H. Havekost u. H.-J. Wätjen
  4. Reisser, M.: ¬Die Darstellung begrifflicher Kontexte im Online-Retrieval (1995) 0.03 
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    Abstract
    Die traditionellen Verfahren der klassifikatorischen sachlichen Erschließung von Medieninhalten heben auf die Eindeutigkeit der Zuordnung von Objekt (Medieninhalt) und Klasse ab. Sie unterscheiden sich damit in der Praxis des Online-Retrievals nur unwesentlich von den Verfahren der verbalen sachlichen Erschließung (z.B. Thesauri, SWD/RSWK). Auf der Grundlage der in der Sacherschließungstheorie vorgenommenen Unterscheidung von klassifikatorischer und verbaler Sacherschließung werden mögliche und bereits in Anwendung befindliche Verfahren diskutiert, welche die begrifflichen Kontexte der Klassen für den Anwender einer bibliothekarischen Klassifikation im Online-Retrieval nutzbar machen
    Imprint
    Oldenburg : Bibliotheks- und Informationssystem
    Source
    Aufbau und Erschließung begrifflicher Datenbanken: Beiträge zur bibliothekarischen Klassifikation. Eine Auswahl von Vorträgen der Jahrestagungen 1993 (Kaiserslautern) und 1994 (Oldenburg) der Gesellschaft für Klassifikation. Hrsg.: H. Havekost u. H.-J. Wätjen
  5. Reisser, M.: Anforderungen an bibliothekarische Klassifikationen bei der Verwendung der EDV (1993) 0.03 
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    Abstract
    Die Methoden zur formalen und inhaltlichen Erschließung von Medienbeständen in Bibliotheken wurden ausnahmslos vor dem Hintergrund der konventionellen Katalogisierung entwickelt und optimiert. Durch den zunehmenden Einsatz der Computertechnologie in Bibliotheken wird eine kritische Überprüfung der tradierten Erschließungsmethoden erforderlich. Gegenstand dieser Untersuchung ist die bibliothekarische Klassifikation und ihre Verwendung in Online-Publikums-Katalogen (OPAC) und anderen Information-Retrieval-Systemen (IRS). Auf der Grundlage der bibliothekarischen Klassifikationstheorie erfolgt eine Überprüfung der verschiedenen Klassifikationstypen hinsichtlich ihrer Tauglichkeit für die gängigen Recherche-Funktionen in diesen Systemen. Zusätzlich wird ein Anforderungskatalog für die Schlagwort-Register und -indizes entwickelt, der im Online-Dialog den verbalen Zugriff auf die einzelnen Klassen einer bibliothekarischen Klassifikation sicherstellen soll
    Source
    Bibliothek: Forschung und Praxis. 17(1993) H.2, S.137-162
  6. Lischewsky-Weiser, B.: ¬Die Systematik im OPAC (1992) 0.03 
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    Imprint
    Oldenburg : Bibliotheks- und Informationssystem der Universität
    Source
    Die Systematik im OPAC: über das Instrumentarium zum Ordnen und Wiederfinden. Vorträge aus den bibliothekarischen Arbeitsgruppen der 16. Jahrestagung der Gesellschaft für Klassifikation, Dortmund 1992. Hrsg.: H.-J. Hermes u. H. Havekost
  7. Geißelmann, F.: ¬Die Online-Version der Regensburger Verbundklassifikation (1997) 0.03 
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    Information und Dokumentation: Qualität und Qualifikation. Deutscher Dokumentartag 1997, Universität Regensburg, 24.-26.9.1997. Hrsg.: M. Ockenfeld u. G.J. Mantwill
  8. Weiße, A.: DK-Umsetzung an der Universitätsbibliothek der Technischen Universität Bergakademie Freiberg (1996) 0.03 
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    Imprint
    Oldenburg : Bibliotheks- und Informationssystem der Universität
    Source
    Erschließen, Suchen, Finden: Vorträge aus den bibliothekarischen Arbeitsgruppen der 19. und 20. Jahrestagungen (Basel 1995 / Freiburg 1996) der Gesellschaft für Klassifikation. Hrsg.: H.-J. Hermes u. H.-J. Wätjen
  9. Zimmermann, H.H.: Zur Struktur und Nutzung von Klassifikationen im Bibliothekswesen : Beispiel der Klassifikation der Deutschen Bibliothek und der sog. Niederländischen Basiskklassifikation (1994) 0.03 
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    Mehrwert von Information - Professionalisierung der Informationsarbeit: Proceedings des 4. Internationalen Symposiums für Informationswissenschaft (ISI'94), Graz, 2.-4. November 1994. Hrsg.: W. Rauch u.a
  10. Gödert, W.: Systematisches Suchen und Orientierung in Datenbanken (1995) 0.03 
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    Imprint
    Oldenburg : Bibliotheks- und Informationssystem
    Source
    Zwischen Schreiben und Lesen: Perspektiven für Bibliotheken, Wissenschaft und Kultur. Festschrift zum 60. Geburtstag von Hermann Havekost. Hrsg. von H.-J. Wätjen
  11. Kowalk, W.: ¬Der OPAC der Universitätsbibliothek Saarbrücken (1991) 0.03 
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    Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.53
  12. Wätjen, H.-J.: GERHARD : Automatisches Sammeln, Klassifizieren und Indexieren von wissenschaftlich relevanten Informationsressourcen im deutschen World Wide Web (1998) 0.02 
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    Abstract
    Die intellektuelle Erschließung des Internet befindet sich in einer Krise. Yahoo und andere Dienste können mit dem Wachstum des Web nicht mithalten. GERHARD ist derzeit weltweit der einzige Such- und Navigationsdienst, der die mit einem Roboter gesammelten Internetressourcen mit computerlinguistischen und statistischen Verfahren auch automatisch vollständig klassifiziert. Weit über eine Million HTML-Dokumente von wissenschaftlich relevanten Servern in Deutschland können wie bei anderen Suchmaschinen in der Datenbank gesucht, aber auch über die Navigation in der dreisprachigen Universalen Dezimalklassifikation (ETH-Bibliothek Zürich) recherchiert werden
  13. Kluck, M.: Weiterentwicklung der Instrumente für die inhaltliche Erschließung und für Recherchen (1996) 0.02 
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    Abstract
    Für die Recherchen in den Datenbanken FORIS und SOLIS bietet das IZ verschiedene Einstiegsmöglichkeiten, die - abhängig von der Fragestellung - einzeln oder kombiniert genutzt werden können: bibliographische Elemente, wie z.B. Namen von Autoren oder Projektleitern, Erscheinungsjahre von Veröffentlichungen oder Laufzeiten von Projekten, sowie inhaltlich orientierte Einstiege, wie z.B. Textrecherchen, Klassifikationen oder Schlagwörter
    Source
    Informationsservice des IZ Sozialwissenschaften: Datenbankentwicklung und -nutzung, Netzwerke, Wissenschaftsforschung. Hrsg.: J. Krause u. M. Zimmer
  14. Reisser, M.: KOALA und die ungenutzten Möglichkeiten (1995) 0.02 
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    Abstract
    Beschreibung der Möglichkeiten, die bei entsprechender Aufbereitung der Systematik für ein Retrieval im OPAC bereitgestellt werden könnten
  15. Koch, T.: Nutzung von Klassifikationssystemen zur verbesserten Beschreibung, Organisation und Suche von Internetressourcen (1998) 0.02 
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    Abstract
    In den ersten Jahren der Internetdienste wurde auf Klassifikationen weitgehend verzichtet. Viele Anbieter argumentierten, daß diese wie auch andere Metadaten von der Entwicklung aufgrund der Volltextindices überholt sind. Inzwischen hat sich das Blatt gewendet: Die meisten der großen Suchdienste bieten eine mehr oder minder ausgefeilte Klassifikation an. eine Reihe von Internetdiensten verwendet etablierte Bibliotheksklassifikationssysteme; deren Einsatzbereiche, die Vor- und Nachteile sowie Anwendungsbeispiele sind Thema dieses Aufsatzes
  16. Buxton, A.B.: Computer searching of UDC numbers (1990) 0.02 
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    Footnote
    Vgl. auch die Beiträge von Hermes / Bischoff und Gödert bzw. das DORS Projekt im Zusammenhang mit der DDC
  17. Loth, K.: Wissensorganisation durch ein neues Notationssystem : eine konstruktive Kritik der UDK (1996) 0.02 
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    Abstract
    Der Beitrag befaßt sich mit der Wissensorganisation durch ein neues Notationssystem. An Beispielen aus der UDK werden Wege beschrieben, wie das UDK-Notationssystem modernisiert und computergerecht gestaltet werden kann. Die Notationen sollen so konstruiert werden, daß das Prinzip der Rechts-Trunkierung immer gewahrt bleibt und daß auch nichtlineare Begriffshierarchien möglich sind. Die Benutzer sollen mit klar formulierten Begriffen in mehreren Sprachen arbeiten können, ohne sich um die Notationen kümmern zu müssen. Die Notationen sollen, für die Benutzer unsichtbar, die Begriffshierarchien (Oberbegriffe, Unterbegriffe) im Hintergrund organisieren. Es werden hier nur Ideen formuliert. Konkrete Realisierungspläne oder Projekte gibt es zur Zeit nicht
  18. Trinkhaus, M.: Möglichkeiten und Aspekte des sachlichen Zugriffs in Online-Katalogen (1990) 0.02 
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    Source
    Bibliothek. Forschung und Praxis. 14(1990), S.193-225
  19. Geißelmann, F.: Systematik im Online-Katalog (1997) 0.01 
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    Series
    Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.66
  20. Francu, V.: Building a multilingual thesaurus based on UDC (1996) 0.01 
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    Theme
    Konzeption und Anwendung des Prinzips Thesaurus

Authors

Languages

  • d 22
  • e 11

Themes