-
Kaizik, A.; Gödert, W.; Oßwald, A.: Evaluation von Subject Gateways des Internet (EJECT) : Projektbericht (2001)
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- Abstract
- Der Umfang und die Heterogenität des Informationsangebotes erfordert immer differenzierte Methoden und Hilfsmittel für das gezielte und möglichst ballastfreie Auffinden von Informationsquellen im Kontext eines bestimmten Fachgebietes oder einer wissenschaftlichen Disziplin. Um dieses Ziel zu errei-chen, wurden in der letzten Zeit eine Reihe sog. Subject Gateways entwickelt. Bislang liegen weder viele Untersuchungen zur Qualität derartiger Hilfsmittel vor noch ist eine differenzierte Methodik für solche Bewertungen entwickelt worden. Das Projekt Evaluation von Subject Gateways des Internet (EJECT) verfolgte daher die Ziele:· Durch Analyse bereits realisierter Subject Gateways die Verwendungsvielfalt des Begriffes aufzuzeigen und zu einer Präzisierung der Begriffsbildung beizutragen; Einen methodischen Weg zur qualitativen Bewertung von Subject Gateways aufzuzeigen;· Diesen Weg anhand einer Evaluation des Subject Gateways EULER zu testen, das im Rahmen eines EU-Projektes für das Fachgebiet Mathematik entwickelt wurde. Die Resultate der Evaluation werden in dieser Studie ausführlich vorgestellt und es wird aufgezeigt, inwieweit eine Übertragung auf die Bewertung anderer Gateways möglich ist.
- Field
- Mathematik
-
Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984)
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- Date
- 20.10.2000 12:22:23
-
Sievert, M.E.; McKinin, E.J.; Slough, M.: ¬A comparison of indexing and full-text for the retrieval of clinical medical literature (1988)
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- Abstract
- The availability of two full text data bases in the clinical medical journal literature, MEDIS from Mead Data Central and CCML from BRS Information Technologies, provided an opportunity to compare the efficacy of the full text to the traditional, indexed system, MEDLINE for retrieval effectiveness. 100 searches were solicited from an academic health sciences library and the request were searched on all 3 data bases. The results were compared and preliminary analysis suggests that the full text data bases retrieve a greater number of relevant citations and MEDLINE achieves higher precision.
- Source
- ASIS'88. Information technology: planning for the next fifty years. Proceedings of the 51st annual meeting of the American Society for Information Science, Atlanta, Georgia, 23-27.10.1988. Vol.25. Ed. by C.L. Borgman and E.Y.H. Pai
-
Oberhauser, O.; Labner, J.: OPAC-Erweiterung durch automatische Indexierung : Empirische Untersuchung mit Daten aus dem Österreichischen Verbundkatalog (2002)
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- Abstract
- In Anlehnung an die in den neunziger Jahren durchgeführten Erschließungsprojekte MILOS I und MILOS II, die die Eignung eines Verfahrens zur automatischen Indexierung für Bibliothekskataloge zum Thema hatten, wurde eine empirische Untersuchung anhand einer repräsentativen Stichprobe von Titelsätzen aus dem Österreichischen Verbundkatalog durchgeführt. Ziel war die Prüfung und Bewertung der Einsatzmöglichkeit dieses Verfahrens in den Online-Katalogen des Verbundes. Der Realsituation der OPAC-Benutzung gemäß wurde ausschließlich die Auswirkung auf den automatisch generierten Begriffen angereicherten Basic Index ("Alle Felder") untersucht. Dazu wurden 100 Suchanfragen zunächst im ursprünglichen Basic Index und sodann im angereicherten Basic Index in einem OPAC unter Aleph 500 durchgeführt. Die Tests erbrachten einen Zuwachs an relevanten Treffern bei nur leichten Verlusten an Precision, eine Reduktion der Nulltreffer-Ergebnisse sowie Aufschlüsse über die Auswirkung einer vorhandenen verbalen Sacherschließung.
- Source
- ABI-Technik. 23(2003) H.4, S.305-314
-
Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996)
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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
-
Over, P.: ¬The TREC interactive track : an annotated bibliography (2001)
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- Date
- 27.12.2007 19:14:23
-
Hancock-Beaulieu, M.; McKenzie, L.; Irving, A.: Evaluative protocols for searching behaviour in online library catalogues (1991)
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- Date
- 23. 1.1999 19:52:29
-
Smeaton, A.F.: TREC-6: personal highlights (2000)
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- Date
- 11. 8.2001 16:23:02
-
Sanderson, M.: ¬The Reuters test collection (1996)
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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
-
Tombros, T.; Crestani, F.: Users' perception of relevance of spoken documents (2000)
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- Date
- 27. 8.2000 14:32:23
-
Harman, D.K.: Overview of the fourth Text Retrieval Conference : TREC-4 (1996)
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- Pages
- S.1-23
-
Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1963)
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- Date
- 13. 3.1999 18:23:11
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Gillman, P.: Text retrieval (1998)
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- Date
- 23. 7.1998 10:35:23
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Ribeiro, F.: Subject indexing and authority control in archives : the need for subject indexing in archives and for an indexing policy using controlled language (1996)
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- Date
- 23. 2.1997 19:20:36
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Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985)
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- Footnote
- Vgl. auch : Salton, G.: Another look ... Comm. ACM 29(1986) S.S.648-656; Blair, D.C.: Full text retrieval ... Int. Class. 13(1986) S.18-23: Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. proc. man. 26(1990) S.437-447.
-
Huang, M.-H.: ¬The evaluation of information retrieval systems (1997)
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- Date
- 13. 5.1996 21:43:23
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King, D.W.: Blazing new trails : in celebration of an audacious career (2000)
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- Date
- 22. 9.1997 19:16:05
30.11.2002 17:54:23
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Sullivan, M.V.; Borgman, C.L.: Bibliographic searching by end-users and intermediaries : front-end software vs native DIALOG commands (1988)
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- Date
- 7. 1.1996 23:35:06
- Source
- ASIS '88. Information Technology: planning for the next fifty years. Proceedings of the 51st annual meeting of the American Society for Information Science, Atlanta, Georgia, 23-27.10.1988. Vol.25. Ed. by C.L. Borgman and E.Y.H. Pai
-
Hofmann, M.: TREC Konferenzbericht (7.10.93) (1995)
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- 23. 8.1996 9:04:36
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Smeaton, A.F.; Harman, D.: ¬The TREC experiments and their impact on Europe (1997)
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- Source
- Journal of information science. 23(1997) no.2, S.169-174
