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Spinas, P.: Benutzerfreundlichkeit von ETHICS : Ergebnisse einer Untersuchung des Online-Kataloges der ETH-Bibliothek (1992) 0.03

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Janosky, B.; Smith, P.; Hildreth, C.R.: Online library cataloging systems : an analysis of user errors (1986) 0.02

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Sullenger, P.: ¬A serials transaction log analysis (1997) 0.02

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Ensor, P.: User characteristics of keyword searching in an OPAC (1992) 0.01

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Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992) 0.01

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Solomon, P.: Children's information retrieval behavior : a case analysis of an OPAC (1993) 0.01

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Solomon, P.: On the dynamics of information system use : from novice to? (1992) 0.01

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Solomon, P.: Children, technology, and instruction : a case study of elementary school children using an online public access catalog (OPAC) (1994) 0.01

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Wallace, P.M.: Periodical title searching in online catalogues (1997) 0.01

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Date: 29. 7.1998 10:57:22

Schneider, R.: OPACs, Benutzer und das Web (2009) 0.01

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Date: 22. 2.2009 18:50:43

Ensor, P.: Knowledge level of users and nonusers of keyword/Boolean searching on an online public access catalog (1992) 0.01

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Witt, M.: Survey on the use of the catalogue at the médiathèque of the cité des sciences et de l'industrie (CSI) (1993) 0.01

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Type: p

Solomon, P.: Access to fiction for children : a user-based assessment of options and opportunities (1997) 0.01

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Kaske, N.K.: ¬A comparative study of subject searching in an OPAC among branch libraries of a university library system (1988) 0.01
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```
Abstract

The degree of variability in the percentage of subject searching in an online public access catalog (OPAC) among branch libraries of one university was studied. A full semester's worth of transactions was analyzed, not sampled. The time units used were hour of the day, day of the week, and week of the semester. The findings show that subject searching varies from a low of 22% to a high of 74% over the hours of a day. Variability for the days of the week ranged from 17% to 64%, and for the weeks of the semester variability ranged from 12% to 70%. Valuable management information on the utilization of the OPAC within each brach library and among all the branch libraries is provided through numerous charts and graphs.

Witt, M.: Survey on the use of the catalogue at the Mediatheque of the Cité des Sciences et de l'Industrie (CSI) (1993) 0.01

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Source: International cataloguing and bibliographic control. 22(1993) no.4, S.68-71

Moulaison, H.L.: OPAC queries at a medium-sized academic library : a transaction log analysis (2008) 0.01

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Date: 10. 9.2000 17:38:22

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