Search (2 results, page 1 of 1)

Hert, C.A.; Nilan, M.S.: User-based information retrieval evaluation : an examination of an online public access catalog (1991) 4.54

4.5391517 = weight(theme_ss:OPAC in 3671) [ClassicSimilarity], result of:
  4.5391517 = fieldWeight in 3671, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    4.5391517 = idf(docFreq=1283, maxDocs=44218)
    1.0 = fieldNorm(doc=3671)

Theme: OPAC

Nilan, M.S.; Hert, C.A.: Incorporating the user in system evaluation and design (1992) 4.54

4.5391517 = weight(theme_ss:OPAC in 3867) [ClassicSimilarity], result of:
  4.5391517 = fieldWeight in 3867, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    4.5391517 = idf(docFreq=1283, maxDocs=44218)
    1.0 = fieldNorm(doc=3867)

Theme: OPAC