Search (2 results, page 1 of 1)

  • × theme_ss:"OPAC"
  • × type_ss:"r"
  • × year_i:[1990 TO 2000}
  1. Hancock-Beaulieu, M.; Robertson, S.E.; Neilson, C.: Evaluation of online catalogues : an assessment of methods (1990) 0.02
    0.02095752 = product of:
      0.04191504 = sum of:
        0.04191504 = product of:
          0.08383008 = sum of:
            0.08383008 = weight(_text_:c in 5262) [ClassicSimilarity], result of:
              0.08383008 = score(doc=5262,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.5335526 = fieldWeight in 5262, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.109375 = fieldNorm(doc=5262)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Bowman, S.; Avey, F.D.; Turner, C.: ¬A comparative study of the impact of Online Public Access Catalogues on the information gathering and utilisation habits of different user groups (1991) 0.01
    0.011975727 = product of:
      0.023951454 = sum of:
        0.023951454 = product of:
          0.04790291 = sum of:
            0.04790291 = weight(_text_:c in 4545) [ClassicSimilarity], result of:
              0.04790291 = score(doc=4545,freq=2.0), product of:
                0.15711682 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.045548957 = queryNorm
                0.3048872 = fieldWeight in 4545, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4545)
          0.5 = coord(1/2)
      0.5 = coord(1/2)