Search (39 results, page 1 of 2)

  • × theme_ss:"Retrievalstudien"
  1. Heinz, M.; Voigt, H.: Aufbau einer Suchmaschine für ein Forschungsinstitut : Aufgabe für die Bibliothek? (2000) 0.02
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  2. Grummann, M.: Sind Verfahren zur maschinellen Indexierung für Literaturbestände Öffentlicher Bibliotheken geeignet? : Retrievaltests von indexierten ekz-Daten mit der Software IDX (2000) 0.02
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    Source
    Bibliothek: Forschung und Praxis. 24(2000) H.3, S.297-318
  3. Effektive Information Retrieval Verfahren in Theorie und Praxis : ausgewählte und erweiterte Beiträge des Vierten Hildesheimer Evaluierungs- und Retrievalworkshop (HIER 2005), Hildesheim, 20.7.2005 (2006) 0.01
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    Footnote
    Rez. in: Information - Wissenschaft und Praxis 57(2006) H.5, S.290-291 (C. Schindler): "Weniger als ein Jahr nach dem "Vierten Hildesheimer Evaluierungs- und Retrievalworkshop" (HIER 2005) im Juli 2005 ist der dazugehörige Tagungsband erschienen. Eingeladen hatte die Hildesheimer Informationswissenschaft um ihre Forschungsergebnisse und die einiger externer Experten zum Thema Information Retrieval einem Fachpublikum zu präsentieren und zur Diskussion zu stellen. Unter dem Titel "Effektive Information Retrieval Verfahren in Theorie und Praxis" sind nahezu sämtliche Beiträge des Workshops in dem nun erschienenen, 15 Beiträge umfassenden Band gesammelt. Mit dem Schwerpunkt Information Retrieval (IR) wird ein Teilgebiet der Informationswissenschaft vorgestellt, das schon immer im Zentrum informationswissenschaftlicher Forschung steht. Ob durch den Leistungsanstieg von Prozessoren und Speichermedien, durch die Verbreitung des Internet über nationale Grenzen hinweg oder durch den stetigen Anstieg der Wissensproduktion, festzuhalten ist, dass in einer zunehmend wechselseitig vernetzten Welt die Orientierung und das Auffinden von Dokumenten in großen Wissensbeständen zu einer zentralen Herausforderung geworden sind. Aktuelle Verfahrensweisen zu diesem Thema, dem Information Retrieval, präsentiert der neue Band anhand von praxisbezogenen Projekten und theoretischen Diskussionen. Das Kernthema Information Retrieval wird in dem Sammelband in die Bereiche Retrieval-Systeme, Digitale Bibliothek, Evaluierung und Multilinguale Systeme untergliedert. Die Artikel der einzelnen Sektionen sind insgesamt recht heterogen und bieten daher keine Überschneidungen inhaltlicher Art. Jedoch ist eine vollkommene thematische Abdeckung der unterschiedlichen Bereiche ebenfalls nicht gegeben, was bei der Präsentation von Forschungsergebnissen eines Institutes und seiner Kooperationspartner auch nur bedingt erwartet werden kann. So lässt sich sowohl in der Gliederung als auch in den einzelnen Beiträgen eine thematische Verdichtung erkennen, die das spezielle Profil und die Besonderheit der Hildesheimer Informationswissenschaft im Feld des Information Retrieval wiedergibt. Teil davon ist die mehrsprachige und interdisziplinäre Ausrichtung, die die Schnittstellen zwischen Informationswissenschaft, Sprachwissenschaft und Informatik in ihrer praxisbezogenen und internationalen Forschung fokussiert.
    Im ersten Kapitel "Retrieval-Systeme" werden verschiedene Information RetrievalSysteme präsentiert und Verfahren zu deren Gestaltung diskutiert. Jan-Hendrik Scheufen stellt das Meta-Framework RECOIN zur Information Retrieval Forschung vor, das sich durch eine flexible Handhabung unterschiedlichster Applikationen auszeichnet und dadurch eine zentrierte Protokollierung und Steuerung von Retrieval-Prozessen ermöglicht. Dieses Konzept eines offenen, komponentenbasierten Systems wurde in Form eines Plug-Ins für die javabasierte Open-Source-Plattform Eclipse realisiert. Markus Nick und Klaus-Dieter Althoff erläutern in ihrem Beitrag, der übrigens der einzige englischsprachige Text im Buch ist, das Verfahren DILLEBIS zur Erhaltung und Pflege (Maintenance) von erfahrungsbasierten Informationssystemen. Sie bezeichnen dieses Verfahren als Maintainable Experience-based Information System und plädieren für eine Ausrichtung von erfahrungsbasierten Systemen entsprechend diesem Modell. Gesine Quint und Steffen Weichert stellen dagegen in ihrem Beitrag die benutzerzentrierte Entwicklung des Produkt-Retrieval-Systems EIKON vor, das in Kooperation mit der Blaupunkt GmbH realisiert wurde. In einem iterativen Designzyklus erfolgte die Gestaltung von gruppenspezifischen Interaktionsmöglichkeiten für ein Car-Multimedia-Zubehör-System. Im zweiten Kapitel setzen sich mehrere Autoren dezidierter mit dem Anwendungsgebiet "Digitale Bibliothek" auseinander. Claus-Peter Klas, Sascha Kriewel, Andre Schaefer und Gudrun Fischer von der Universität Duisburg-Essen stellen das System DAFFODIL vor, das durch eine Vielzahl an Werkzeugen zur strategischen Unterstützung bei Literaturrecherchen in digitalen Bibliotheken dient. Zusätzlich ermöglicht die Protokollierung sämtlicher Ereignisse den Einsatz des Systems als Evaluationsplattform. Der Aufsatz von Matthias Meiert erläutert die Implementierung von elektronischen Publikationsprozessen an Hochschulen am Beispiel von Abschlussarbeiten des Studienganges Internationales Informationsmanagement der Universität Hildesheim. Neben Rahmenbedingungen werden sowohl der Ist-Zustand als auch der Soll-Zustand des wissenschaftlichen elektronischen Publizierens in Form von gruppenspezifischen Empfehlungen dargestellt. Daniel Harbig und Rene Schneider beschreiben in ihrem Aufsatz zwei Verfahrensweisen zum maschinellen Erlernen von Ontologien, angewandt am virtuellen Bibliotheksregal MyShelf. Nach der Evaluation dieser beiden Ansätze plädieren die Autoren für ein semi-automatisiertes Verfahren zur Erstellung von Ontologien.
  4. Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984) 0.00
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    Date
    20.10.2000 12:22:23
  5. Tomaiuolo, N.G.; Parker, J.: Maximizing relevant retrieval : keyword and natural language searching (1998) 0.00
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    Source
    Online. 22(1998) no.6, S.57-58
  6. Voorhees, E.M.; Harman, D.: Overview of the Sixth Text REtrieval Conference (TREC-6) (2000) 0.00
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    Date
    11. 8.2001 16:22:19
  7. Dalrymple, P.W.: Retrieval by reformulation in two library catalogs : toward a cognitive model of searching behavior (1990) 0.00
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    Date
    22. 7.2006 18:43:54
  8. Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997) 0.00
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    Date
    27. 2.1999 20:55:22
  9. Ng, K.B.; Loewenstern, D.; Basu, C.; Hirsh, H.; Kantor, P.B.: Data fusion of machine-learning methods for the TREC5 routing tak (and other work) (1997) 0.00
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    Date
    27. 2.1999 20:59:22
  10. Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983) 0.00
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    Pages
    S.22-25
  11. Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973) 0.00
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    Date
    19. 3.1996 11:22:12
  12. Sanderson, M.: ¬The Reuters test collection (1996) 0.00
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    Source
    Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
  13. Lespinasse, K.: TREC: une conference pour l'evaluation des systemes de recherche d'information (1997) 0.00
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    Date
    1. 8.1996 22:01:00
  14. ¬The Fifth Text Retrieval Conference (TREC-5) (1997) 0.00
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    Abstract
    Proceedings of the 5th TREC-confrerence held in Gaithersburgh, Maryland, Nov 20-22, 1996. Aim of the conference was discussion on retrieval techniques for large test collections. Different research groups used different techniques, such as automated thesauri, term weighting, natural language techniques, relevance feedback and advanced pattern matching, for information retrieval from the same large database. This procedure makes it possible to compare the results. The proceedings include papers, tables of the system results, and brief system descriptions including timing and storage information
  15. Pemberton, J.K.; Ojala, M.; Garman, N.: Head to head : searching the Web versus traditional services (1998) 0.00
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    Source
    Online. 22(1998) no.3, S.24-26,28
  16. Dresel, R.; Hörnig, D.; Kaluza, H.; Peter, A.; Roßmann, A.; Sieber, W.: Evaluation deutscher Web-Suchwerkzeuge : Ein vergleichender Retrievaltest (2001) 0.00
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    Abstract
    Die deutschen Suchmaschinen, Abacho, Acoon, Fireball und Lycos sowie die Web-Kataloge Web.de und Yahoo! werden einem Qualitätstest nach relativem Recall, Precision und Availability unterzogen. Die Methoden der Retrievaltests werden vorgestellt. Im Durchschnitt werden bei einem Cut-Off-Wert von 25 ein Recall von rund 22%, eine Precision von knapp 19% und eine Verfügbarkeit von 24% erreicht
  17. Ellis, D.: Progress and problems in information retrieval (1996) 0.00
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    Date
    26. 7.2002 20:22:46
  18. ¬The Eleventh Text Retrieval Conference, TREC 2002 (2003) 0.00
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    Abstract
    Proceedings of the llth TREC-conference held in Gaithersburg, Maryland (USA), November 19-22, 2002. Aim of the conference was discussion an retrieval and related information-seeking tasks for large test collection. 93 research groups used different techniques, for information retrieval from the same large database. This procedure makes it possible to compare the results. The tasks are: Cross-language searching, filtering, interactive searching, searching for novelty, question answering, searching for video shots, and Web searching.
  19. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.00
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    Source
    Journal of documentation. 22(1966), S.203-209
  20. Smithson, S.: Information retrieval evaluation in practice : a case study approach (1994) 0.00
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    Abstract
    The evaluation of information retrieval systems is an important yet difficult operation. This paper describes an exploratory evaluation study that takes an interpretive approach to evaluation. The longitudinal study examines evaluation through the information-seeking behaviour of 22 case studies of 'real' users. The eclectic approach to data collection produced behavioral data that is compared with relevance judgements and satisfaction ratings. The study demonstrates considerable variations among the cases, among different evaluation measures within the same case, and among the same measures at different stages within a single case. It is argued that those involved in evaluation should be aware of the difficulties, and base any evaluation on a good understanding of the cases in question