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  • × author_ss:"Dickson, J."
  • × theme_ss:"OPAC"
  • × year_i:[1980 TO 1990}
  1. Dickson, J.: ¬An analysis of user errors in searching an online catalog (1984) 0.00 
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    Abstract
    The study extracts a sample of zero-hit author and title searches from the transaction log of Northwestern University Library's online catalog. It analyzes why the searches failed, in an effort to understand the users' conceptual model of the online catalog.
    Type
    a