-
Lepsky, K.: Automatisierung in der Sacherschließung : Maschinelles Indexieren von Titeldaten (1996)
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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
-
Lepsky, K.: Auf dem Weg zur automatischen Inhaltserschließung? : Das DFG-Projekt MILOS und seine Ergebnisse (1997)
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- Abstract
- Der Beitrag beschäftigt sich mit der Anwendung eines Verfahrens zur Automatischen Indexierung von Titeldaten in Bibliotheken. Die Arbeitsweise des Verfahrens und seine Nutzung innerhalb des von der Deutschen Forschungsgemeinschaft geförderten und an der Universitäts- und Landesbibliothek Düsseldorf durchgeführten Projekts MILOS werden geschildert. Die Ergebnisse eines Retrievaltests belegen die Tauglichkeit des Verfahrens für den Einsatz in Bibliotheken. Aufbauend auf diesen Ergebnissen werden Perspektiven für eine sinnvolle Verbindung von konventioneller bibliothekarischer Sacherschließung und automatischen Verfahren entworfen
- Source
- Mitteilungen der Gesellschaft für Bibliothekswesen und Dokumentation des Landbaus. 1997, H.53, S.46-52
-
Lepsky, K.: Automatische Indexierung zur Erschließung deutschsprachiger Dokumente (1999)
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- Abstract
- Der Beitrag beschäftigt sich mit der Anwendung eines Verfahrens zur automatischen Indexierung deutschsprachiger Texte in Bibliotheken. Die Arbeitsweise des Verfahrens und seine Entwicklung innerhalb der von der Deutschen Forschungsgemeinschaft geförderte und an der ULB Düsseldorf gemeinsam mit der Fachrichtung Informationswissenschaft der Universität des Saarlandes durchgeführten Projekte MILOS I, MILOS II und KASCADE werden geschildert. Die Ergebnisse von Retrievaltests belegen die Tauglichkeit des Verfahrens für den Einsatz in Bibliotheken. Aufsetzend auf diesen Ergebnissen werden Perspektiven für die bibliothekarische Sacherschließung im Hinblick auf den Einsatz von automatischen Verfahren entworfen
- Source
- nfd Information - Wissenschaft und Praxis. 50(1999) H.6, S.325-330
-
Dreis, G.: Formen des sachlichen Zugriffs : Probleme des automatischen Indexierens (1991)
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- Series
- Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.52
- Source
- Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27. u.28.11.1989. Hrsg.: G. Gattermann
-
Gil-Leiva, I.; Munoz, J.V.R.: Analisis de los descriptores de diferentes areas del conocimiento indizades en bases de datos del CSIC : Aplicacion a la indizacion automatica (1997)
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- Abstract
- Studies the value of scientific articles' titles and abstracts as sources of terms for document indexing in relation to 6 areas of knowledge: library and information science, medicine, chemistry, biology, psychology and physics, indexed in the databases ISOC, IME and ICYT of the CSIC. Also examines the syntagmatic structures of the indexing terms found in the field 'descriptors'. as well as the relationship between length of document and number of descriptors. Concludes that if the abstracts are not well made and the titles are not precise, they are not definitive sources for the extractions of concepts; the most common syntactic structure is the noun phrase, followed by noun+adjective and noun+noun; and no significant relationship was found between length of document and number of descriptors assigned to it
- Field
- Informationswissenschaft
Bibliothekswesen
- Footnote
- Übers. d. Titels: Descriptors analysis on different knowledge ares in CSIC databases: application on automatic indexing
-
Gödert, W.; Lepsky, K.: Semantische Umfeldsuche im Information Retrieval (1998)
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- Abstract
- Sachliche Suchen in bibliothekarischen Online-Katalogen enden häufig mit unbefriedigenden Ergebnissen. Als eine Ursache dafür kann angesehen werden, daß die Gestaltung des Suchprozesses das semantische Umfeld einer Suchanfrage nicht mit einbezieht, daß in Übertragung der Verhältnisse in konventionellen Katalogen am Paradigma des Wort-Matching zwischen Suchwort und Indexat festgehalten wird. Es wird statt dessen das Konzept einer semantischen Umfeldsuche entwickelt und gezeigt, welche Rolle die Verwendung strukturierten Vokabulars dafür spielen kann. Insbesondere wird dargestellt, welche Möglichkeiten Verfahren der wörterbuchgestützten maschinellen Indexierung in diesem Zusammenhang spielen können. Die Ausführungen werden durch Beispiele illustriert
- Source
- Zeitschrift für Bibliothekswesen und Bibliographie. 45(1998) H.4, S.401-423
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Lepsky, K.; Siepmann, J.; Zimmermann, A.: Automatische Indexierung für Online-Kataloge : Ergebnisse eines Retrievaltests (1996)
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- Abstract
- Examines the effectiveness of automated indexing and presents the results of a study of information retrieval from a segment (40.000 items) of the ULB Düsseldorf database. The segment was selected randomly and all the documents included were indexed automatically. The search topics included 50 subject areas ranging from economic growth to alternative energy sources. While there were 876 relevant documents in the database segment for each of the 50 search topics, the recall ranged from 1 to 244 references, with the average being 17.52 documents per topic. Therefore it seems that, in the immediate future, automatic indexing should be used in combination with intellectual indexing
- Source
- Zeitschrift für Bibliothekswesen und Bibliographie. 43(1996) H.1, S.47-56
-
7e Dag van het Document : 19 & 20 mei 1998, Congrescentrum De Reehorst, Ede ; proceedings (1998)
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- BK
- 06.00 (Information und Dokumentation: Allgemeines)
- Classification
- 06.00 (Information und Dokumentation: Allgemeines)
-
Junger, U.: Möglichkeiten und Probleme automatischer Erschließungsverfahren in Bibliotheken : Bericht vom KASCADE-Workshop in der Universitäts- und Landesbibliothek Düsseldorf (1999)
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- Source
- Bibliothek: Forschung und Praxis. 23(1999) H.1, S.88-90
-
Hüther, H.: Selix im DFG-Projekt Kascade (1998)
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- Series
- Schriften zur Informationswissenschaft; Bd.34
- Source
- Knowledge Management und Kommunikationssysteme: Proceedings des 6. Internationalen Symposiums für Informationswissenschaft (ISI '98) Prag, 3.-7. November 1998 / Hochschulverband für Informationswissenschaft (HI) e.V. Konstanz ; Fachrichtung Informationswissenschaft der Universität des Saarlandes, Saarbrücken. Hrsg.: Harald H. Zimmermann u. Volker Schramm
-
Salton, G.: Future prospects for text-based information retrieval (1990)
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- Series
- Konstanzer Schriften zur Informationswissenschaft; Bd.1
- Source
- Pragmatische Aspekte beim Entwurf und Betrieb von Informationssystemen: Proc. des 1. Int. Symposiums für Informationswissenschaft, Universität Konstanz, 17.-19.10.1990. Hrsg.: J. Herget u. R. Kuhlen
-
Experimentelles und praktisches Information Retrieval : Festschrift für Gerhard Lustig (1992)
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- Content
- Enthält die Beiträge: SALTON, G.: Effective text understanding in information retrieval; KRAUSE, J.: Intelligentes Information retrieval; FUHR, N.: Konzepte zur Gestaltung zukünftiger Information-Retrieval-Systeme; HÜTHER, H.: Überlegungen zu einem mathematischen Modell für die Type-Token-, die Grundform-Token und die Grundform-Type-Relation; KNORZ, G.: Automatische Generierung inferentieller Links in und zwischen Hyperdokumenten; KONRAD, E.: Zur Effektivitätsbewertung von Information-Retrieval-Systemen; HENRICHS, N.: Retrievalunterstützung durch automatisch generierte Wortfelder; LÜCK, W., W. RITTBERGER u. M. SCHWANTNER: Der Einsatz des Automatischen Indexierungs- und Retrieval-System (AIR) im Fachinformationszentrum Karlsruhe; REIMER, U.: Verfahren der Automatischen Indexierung. Benötigtes Vorwissen und Ansätze zu seiner automatischen Akquisition: Ein Überblick; ENDRES-NIGGEMEYER, B.: Dokumentrepräsentation: Ein individuelles prozedurales Modell des Abstracting, des Indexierens und Klassifizierens; SEELBACH, D.: Zur Entwicklung von zwei- und mehrsprachigen lexikalischen Datenbanken und Terminologiedatenbanken; ZIMMERMANN, H.: Der Einfluß der Sprachbarrieren in Europa und Möglichkeiten zu ihrer Minderung; LENDERS, W.: Wörter zwischen Welt und Wissen; PANYR, J.: Frames, Thesauri und automatische Klassifikation (Clusteranalyse): HAHN, U.: Forschungsstrategien und Erkenntnisinteressen in der anwendungsorientierten automatischen Sprachverarbeitung. Überlegungen zu einer ingenieurorientierten Computerlinguistik; KUHLEN, R.: Hypertext und Information Retrieval - mehr als Browsing und Suche.
- Series
- Schriften zur Informationswissenschaft; Bd.3
-
Krause, J.; Womser-Hacker, C.: PADOK-II : Retrievaltests zur Bewertung von Volltextindexierungsvarianten für das deutsche Patentinformationssystem (1990)
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- Abstract
- Vorgestellt werden die Ergebnisse extensiver Retrievaltests von zwei Varianten von Inhalteserschließungen (Freitext und PASSAT) für das deutsche Patentinformationssystem auf der Basis von Volltexten. Die Tests führte die Fachgruppe Linguistische Informationswissenschaft der Universität Regensburg von 1986-1989 in Zusammenarbeit mit dem Deutschen Patentamt, dem Fachinformationszentrum Karlsruhe und meheren industrieellen Partnern durch. Der Schwerpunkt des Berichts liegt auf dem allgemeinen Ansatz der Bewertung der Ziele des Projekts und auf der Darstellung der statistischen Evaluierungsergebnisse.
-
Lück, W.; Rittberger, W.; Schwantner, M.: ¬Der Einsatz des Automatischen Indexierungs- und Retrievalsystems (AIR) im Fachinformationszentrum Karlsruhe (1994)
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- Footnote
- Wiederabdruck aus: Experimentelles und praktisches Information Retrieval. Hrsg.: R. Kuhlen. Konstanz: Universitätsverlag 1992
- Source
- Verbale Sacherschließung im Südwestdeutschen Bibliotheksverbund (SWB): Fortbildungskurs 1993 für Bibliothekare an den wissenschaftlichen Bibliotheken des Landes Baden-Württemberg vom 8. bis 12. November 1993 in Oberwolfach. Hrsg.: K. Franken
-
Gödert, W.; Liebig, M.: Maschinelle Indexierung auf dem Prüfstand : Ergebnisse eines Retrievaltests zum MILOS II Projekt (1997)
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- Abstract
- The test ran between Nov 95-Aug 96 in Cologne Fachhochschule fur Bibliothekswesen (College of Librarianship).The test basis was a database of 190,000 book titles published between 1990-95. MILOS II mechanized indexing methods proved helpful in avoiding or reducing numbers of unsatisfied/no result retrieval searches. Retrieval from mechanised indexing is 3 times more successful than from title keyword data. MILOS II also used a standardized semantic vocabulary. Mechanised indexing demands high quality software and output data
-
Reimer, U.: Verfahren der automatischen Indexierung : benötigtes Vorwissen und Ansätze zu seiner automatischen Akquisition, ein Überblick (1992)
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- Series
- Schriften zur Informationswissenschaft; Bd.3
- Source
- Experimentelles und praktisches Information Retrieval: Festschrift für Gerhard Lustig. Hrsg. R. Kuhlen
-
Junger, U.; Müller-Dreier, A.: Bericht über den Workshop 'Perspektiven der Sacherschließung im GBV' am 12. März 1998 in der TIB Hannover (1999)
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- Source
- Mitteilungsblatt der Bibliotheken in Niedersachsen und Sachsen-Anhalt. 1998, H.110, S.14-18
-
Lepsky, K.: Im Heuhaufen suchen - und finden : Automatische Erschließung von Internetquellen: Möglichkeiten und Grenzen (1998)
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- Abstract
- Das Internet wird immer unübersichtlicher - auch eine Binsenweisheit, aber wohl mehr ein handfestes Problem. Abhilfe versprechen die diversen Suchmaschinen und Verzeichnisse der kommerziellen Anbieter, zu denen sich thematische Link-Sammlungen anderer Institutionen - etwas Bibliotheken - gesellen. Während die Suchmaschinen mit dem Anspruch arbeiten, das gesamte Netz zu erschließen (und diesen damit einlösen, daß sie ihre Kundschaft teilweise mit mehreren hundert Treffern nach einer Anfrage konfrontieren), haben die Anbieter ausgewählter und intellektuelle erschlossener Quellen häufig mit dem Problem mangelnder Aktualität und der Beschränktheit ihres Angebots zu kämpfen. - Der folgende Beitrag diskutiert verschiedene Verfahren, die in erheblich stärkerem Maße sowohl die Vollständigkeit als auch die Relevanz der durchsuchten beziehungsweise gefundenen Internetquellen sicherstellen sollen. In diesem Zusammenhang wird auch die Frage erörtert, welche Rolle den Bibliotheken bei der Entwicklung und Anwendung solcher Techniken zukommen könnte
-
MILOS: Automatische Indexierung für Bibliotheken : Handbuch (1996)
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- Editor
- Universitäts- und Landesbibliothek Düsseldorf
- Imprint
- Düsseldorf : Universitäts- und Landesbibliothek
-
Lepsky, K.: Automatische Indexierung und bibliothekarische Inhaltserschließung : Ergebnisse des DFG-Projekts MILOS I (1996)
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- Abstract
- Kooperative Katalogisierung in der Bibliotheksverbünden und steigende Zahlen retrokonvertierter Altdaten füfhren zu einem stetigen Anwachsen maschinenlesbar verfügbarer Titeldaten. Dieser Entewicklung aud ser Katalogisat- bzw. Datenseite entspricht eine ähnlich rasante Entwicklung auf der Seite der Zugangsmöglichkeiten, den Online-Publikumskatalogen. Immer mehr Katalogdaten von immer mehr Bibliotheken sind in immer mehr OPACs nachgewiesen. Mit dieser auch durch neue Zugriffsformen (Internet) verbesserten Verfügbarkeit hält die bibliothekarische Sacherschließung längst nicht mehr Schritt. In diesem Beitrag werden die Vorgehensweise und Ergebnisse des Projektes MILOS I vorgestellt, das an der Universitäts- und Landesbibliothek zur automatischen Indexierung bibliothekarischer Titeldaten und zur Anreicherung von Katalogdaten durchgeführt wurde.
- Imprint
- Düsseldorf : Universitäts- und Landesbibliothek
- Series
- Schriften der Universitäts- und Landesbibliothek Düsseldorf; Bd.25
