-
Klugman, S.: Failures in subject retrieval (1989)
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- Subject control in online catalogs. Ed.: R.P. Holley
-
Schmidt, E.; Weigang, G.; Schulz, U.: OPAC-Nutzer ernst genommen : eine Thinking-Aloud-Studie am ALS-OPAC der Hamburger Öffentlichen Bücherhallen (1997)
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- Bibliothek: Forschung und Praxis. 21(1997) H.2, S.215-226
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Schneider, R.: OPACs, Benutzer und das Web (2009)
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- 22. 2.2009 18:50:43
- Source
- Zeitschrift für Bibliothekswesen und Bibliographie. 56(2009) H.1, S.9-19
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Lau, E.P.; Goh, H.-L.: In search of query patterns : a case study of a university OPAC (2006)
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Besant, L.: Early survey findings: users of public online catalogs want sophisticated subject access (1982)
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Kilgour, F.G.: Online retrieval of single-screen miniature catalogues by university library users (1995)
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- Source
- Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes
-
Ford, N.; Wood, F.: User modelling for the electronic library : a cognitive approach (1995)
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- Electronic library and visual information research: Proceedings of the First ELVIRA Conference (ELVIRA 1), Electronic Library and Visual Information Research, De Montfort University, Milton Keynes, May 1994. Ed. by M. Collier u, K. Arnold
-
Ihadjadene, M.; Bouché, R.: Using syntagmatic relationships based on a RAMEAU list as a browsing relevance feedback strategy in a WWW-OPAC (1998)
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- Semantisches Umfeld in Indexierung u. Retrieval
-
Thissen, F.: Verloren in digitalen Netzen : Nutzertests zur Optimierung der Bedienerfreundlichkei eines Online-Katalogs (2002)
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- Bibliotheken und die Vernetzung des Wissens. Hrsg.: Achim Puhl u. Richard Stang
-
Jansen, B.J.; Pooch , U.: ¬A review of Web searching studies and a framework for future research (2001)
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- Electronic library and visual information research: Proceedings of the 4th ELVIRA Conference (ELVIRA 4), Electronic Library and Visual Information Research, De Montfort University, Milton Keynes, May 1997. Ed. by C. Davies u. A. Ramsden
-
Ferl, T.E.; Millsap, L.: Remote use of the University of California MELVYL Library System : an online survey (1992)
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Björklund, L.: ¬The need for inventing user needs (1993)
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Millsap, L.; Ferl, T.E.: Search patterns of remote users : an analysis of OPAC transaction logs (1993)
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Millsap, L.; Ferl, T.E.: ¬The knuckle-cracker's dilemma : a transaction log study of OPAC subject searching (1996)
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Pedretti, G.: ¬L'¬uso dei cataloghi in biblioteca (1996)
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Hancock-Beaulieu, M.: Evaluating the impact of an online library catalogue on subject searching behaviour at the catalogue and at the shelves (1990)
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- Semantisches Umfeld in Indexierung u. Retrieval
-
Wallace, P.M.: Periodical title searching in online catalogues (1997)
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- 29. 7.1998 10:57:22
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Spink, A.; Beatty, L.: Multiple search sessions by end-users of online catalogs and CD-ROM databases (1995)
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De Rosa, C.; Cantrell, J.; Cellentani, D.; Hawk, J.; Jenkins, L.; Wilson, A.: Perceptions of libraries and information resources : A Report to the OCLC Membership (2005)
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