Search (30 results, page 1 of 2)

  • × theme_ss:"Volltextretrieval"
  • × year_i:[1990 TO 2000}
  1. Stegentritt, E.: EMIR: Multilinguales Freitextretrieval Projekt (1992) 0.01 
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    Series
    Schriften zur Informationswissenschaft; Bd.7
    Source
    Mensch und Maschine: Informationelle Schnittstellen der Kommunikation. Proc. des 3. Int. Symposiums für Informationswissenschaft (ISI'92), 5.-7.11.1992 in Saarbrücken. Hrsg.: H.H. Zimmermann, H.-D. Luckhardt u. A. Schulz
  2. Kuhlen, R.; Hess, M.S.: Passagen-Retrieval : auch eine Möglichkeit der automatischen Verknüpfung in Hypertexten (1993) 0.01 
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    Abstract
    Das Passagen-Retrieval erlaubt explorierendes Navigieren in Volltextdatenbanken, aber auch in textorientierten Hypertextbasen. Es wird experimentell an fünf, im Information Retrieval geläufigen Assoziationskoeffizienten überprüft, inwieweit mit ihnen Textpassagen, gewonnen aus der Konversion von Absätzen aus einer Buchvorlage (Hypertextbuch von R. Kuhlen, 1991b), automatisch verknüpft werden können. Voraussetzung für die Anwendung der Maße ist eine Volltextinvertierung mit linguistisch abgesicherter Stammformenreduktion. Die Ergebnisse, gewonnen aus der Bewertung der Verknüpfungsangebote entsprechend den Berechnungen nach den fünf Koeffizienten und aus dem Vergleich mit einer intellektuellen Verknüpfungsvorgabe, zeigen eine deutliche Präferenz zugunsten des Asymmetrie-Maßes, das vielleicht noch durch eine Kombination mit dem Cosinus-Maß verbessert werden könnte. Die automatisch erstellten Verknüpfungsangebote sind sowohl im Autoren-Modus zur Unterstützung des Aufbaus von Hypertextbasen sinnvoll als auch im Lese-Modus als Möglichkeit des assoziativen Navigierens in großen Hypertextbasen verwendbar.
    Imprint
    Konstanz : Universität, FG Informationswissenschaft
  3. Palos, S.: Indexierung, Volltextrecherche und digital Text-Dossiers (1999) 0.00 
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    Abstract
    Der Artikel stellt Ergebnisse einer Studie zur vergleichenden Bewertung von Verfahren der nachfrageorientierten Inhaltserschließung im Volltextarchiv der Stuttgarter Zeitung vor. Im ersten Teil der Arbeit wird empirisch untersucht, ob in der digitalen Pressedokumentation auf eine intellektuelle Indexierung von Artikeln verzichtet werden kann, wenn ausschließlich im Volltext recherchiert wird. Im zweiten Teil der Arbeit werden Möglichkeiten und Grenzen einer innovativen Inhaltserschließung von Volltexten in der Textdokumentation der Stuttgarter Zeitung mittels Digitaler Textdossiers diskutiert
    Source
    nfd Information - Wissenschaft und Praxis. 50(1999) H.7, S.413-419
  4. Enderle, W.: Neue Wege der bibliothekarischen Informationserschließung : von der Erschließung unselbständiger Literatur über Volltextindizierung bis zu Hypertext- und Expertensystemen (1994) 0.00 
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    Abstract
    Die bibliothekarische Informationserschließung war unist bislang durch den OPAC geprägt, der im wesentlichen die Monographien und Zeitschriften einer Bibliothek erschließt. Es werden 2 neue Bereiche skizziert, die in Zukunft ebenfalls Teil der bibliothekarischen Informationserschließung sein können und werden: die Erschließung unselbständiger Literatur und der Einsatz automatisierter 'reference and information services'. Im ersten Fall ist die Entwicklung bereits weit vorangeschritten, Verbundsysteme und Library Suppliers bieten bereits Inhaltsdaten von Zeitschriften als Fremdleistung an. Im zweiten Fall ist die Entwicklung, vor allem im angloamerikanischen Raum, noch - trotz zahlreicher Projekte - in den Anfängen. Der Einsatz wissensbasierter Systeme in diesem Bereich macht die Aufgaben hier besonders komplex, biete zugleich aber hanz neue Lösungsmöglichkeiten an, wie am Beispiel einiger amerikanischer Projekte dokumentiert wird. Wesentlich ist, daß Informationserschließungssysteme, wie sie ansatzweise im Internet bereits eingesetzt werden, den gesamten bereich elektronischer wie herkömmlicher Information umfassen, um einen allgemeinen und umfassenden Einstieg für den Informationssuchenden zu bieten
  5. Albus, W.; Smulders, H.: Doeltreffend zoeken in volledige teksten : 1. full-text retrieval bij de HavenInformatieBank (1998) 0.00 
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    Date
    29. 7.1998 19:54:49
    Footnote
    Übers. d. Titels: Effective searching on full texts: 1. full-text-retrieval on the Harbour information database
  6. Preston, L.A.; Ebbs, C.M.; Luther, J.: 'Full text' access evaluation : are we getting the real thing? (1998) 0.00 
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    Footnote
    Part of an issue devoted to 'Experimentation and collaboration: creating series for a new millenium', part 2, Proceedings of the North American Serials Interest Group, Inc.'s 12th annual conference, 29 May - 1 June 1997, University of Michigan Ann Arbor, Michigan
  7. Leppanen, E.: Homografiongelma tekstihaussa ja homografien disambiguoinnin vaikutukset (1996) 0.00 
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    Abstract
    Homonymy is known to often cause false drops in free text searching in a full text database. The problem is quite common and difficult to avoid in Finnish, but nobody has examined it before. Reports on a study that examined the frequency of, and solutions to, the homonymy problem, based on searches made in a Finnish full text database containing about 55.000 newspaper articles. The results indicate that homonymy is not a very serious problem in full text searching, with only about 1 search result set out of 4 containing false drops caused by homonymy. Several other reasons for nonrelevance were much more common. However, in some set results there were a considerable number of homonymy errors, so the number seems to be very random. A study was also made into whether homonyms can be disambiguated by syntactic analysis. The result was that 75,2% of homonyms were disambiguated by this method. Verb homonyms were considerably easier to disambiguate than substantives. Although homonymy is not a very big problem it could perhaps easily be eliminated if there was a suitable syntactic analyzer in the IR system
    Date
    9.12.1997 18:33:29
  8. Kristensen, J.; Järvelin, K.: ¬The effectiveness of a searching thesaurus in free-text searching in a full-text database (1990) 0.00 
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    Source
    International classification. 17(1990), S.77-84
  9. Sormunen, E.: Free-text searching in full-text databases : probing system limits (1993) 0.00 
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    Source
    Online information 93: 17th International Online Meeting Proceedings, London, 7.-9.12.1993. Ed. by D.I. Raitt et al
  10. Witt, M.: Au sujet des mots-clés (1997) 0.00 
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    Date
    29. 1.1996 16:50:24
    29. 7.1998 18:19:41
  11. Kanngießer, V.: Entwicklung eines Volltext-Informationssystems unter Einsatz von SQL* TextRetrieval der Firma Oracle Deutschland GmbH (1992) 0.00 
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    Imprint
    Darmstadt : Fachhochschule, Fachbereich Information und Dokumentation
  12. Basch, R.: ¬Die sieben Todsünden der Volltextrecherche (1990) 0.00 
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    Abstract
    Dieser Artikel diskutiert die "sieben Todsünden" der Volltextrecherche und macht sowohl praktische als auch utopische Vorschläge zu ihrer Überwindung. Zunächst wird versucht, die persönlichen "sieben Sünden" auf einer Standardliste zu verzeichnen. Je nachdem, welches Standardwerk man zu Rate zieht, kommen hierbei einige interessante Abweichungen vor. Selbst der Thesaurus von WordPerfect zeigt auf die Frage nach "Sünde" hilfsbereit alle sieben! Ein Beispiel für "Stolz" ist das Online-System, für das in ganzseitigen Anzeigen in großen nationalen Publikationen erklärt wird: 'Unser Angebot ist eine Welt von Informationen auf Knopfdruck'. "Gier" ist das Downloading von Volltexten, "Trägheit" die langsame Verarbeitungszeit: "Geiz" hat etwas mit der Preisgestaltung zu tun, und alles liegt irgendwo zwischen "Lust" und "Ärger"; c'est la vie, n'est-ce pas?
  13. Yetim, F.: ¬Ein intertextuelles Hypertextmodell als Weiterentwicklung eines Volltextanalysesystems (1990) 0.00 
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    Source
    Informationsmethoden: Neue Ansätze und Techniken; Deutscher Dokumentartag 1989, 4.-6.10.1989, Universität Bremen, Proceedings. Hrsg.: W. Neubauer u.a
  14. Molto, M.: Improving full text search performance through textual analysis (1993) 0.00 
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    Source
    Information processing and management. 29(1993) no.5, S.614-632
  15. Kristensen, J.: Expanding end-users' query statements for free text searching with a search-aid thesaurus (1993) 0.00 
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    Source
    Information processing and management. 29(1993) no.6, S.733-744
  16. Laegreid, J.A.: SIFT: a Norwegian information retrieval system (1993) 0.00 
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    Date
    23. 1.1999 19:22:09
  17. Basch, R.: Searching full-text : tips and techniques (1992) 0.00 
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    Abstract
    Gives tips for effective searching of full-text databases: think creatively about vocabulary and use of the OR connector to link synonyms; use truncation to pick up plurals and alternative work endings; anticipate international differences in spellimg, likie 'labor' and 'labour', and in vocabulary, like 'truck' and 'lorry'; avoid the AND operator, preferring proximity connectors like NEAR, WITHIN or PRE; use jargon instead of trying to anticipate all the abstract terminology that a writer might have used; and exploit any indexing available
  18. Schröter, H.G.: Unternehmensgedächtnis bremst die Informationsflut : Auch der Bundestag nutzt eine Verity-Suchmaschine, Agenten pushen Daten auf den Schirm (1997) 0.00 
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    Date
    1. 5.1996 9:27:55
  19. Baguhn, J.: Volltextretrieval : stürmische Entwicklungen (1995) 0.00 
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    Abstract
    10 Jahre cogito lassen auch uns auf diesen in der Branche langen Zeitraum zurückblicken. Der Informationsmarkt 1985 war noch gut überschaubar und von der PSI noch gar nicht als attraktiv erkannt. Doch schon zu diesem Zeitpunkt machten wir uns Gedanken über die Verarbeitung von unstrukturierten Informationen, da mehrere Nachrichtenverteilsysteme für größere Behörden relalisiert wurden. Die Wünsche der Benutzer waren mit herkömmlichen Datenbanken nur schwer zu realisieren oder die Zugriffszeiten zu lang
  20. Couvreur, T.R.; Benzel, R.N.; Miller, S.F.; Zeitler, D.N.; Lee, D.L.; Singhal, M.; Shivaratri, N.; Wong, W.Y.P.: ¬An analysis of performance and cost factors in searching large text databases using parallel search systems (1994) 0.00 
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    Abstract
    The results of modelling the performance of searching large text databases (>10 GBytes) via various parallel hardware architectures and search algorithms are discussed. The performance under load and the cost of each configuration are compared. Strengths, weaknesses, performance sensitivities, and search features supported for each configuration are also addressed. In addition, a common search workload used in the modelling is described. The search workload is derived from a set of searches run against the Chemical Abstracts file of bibliographic and abstract text available on STN International. This common workload is applied to all configurations modelled to provide a common basis of comparison

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