Search (5 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × theme_ss:"OPAC"
  1. Hofstede, M.: Literatuur over onderwerpen zoeken in de OPC (1994) 0.00
    0.0025047874 = product of:
      0.015028724 = sum of:
        0.015028724 = product of:
          0.07514362 = sum of:
            0.07514362 = weight(_text_:29 in 5400) [ClassicSimilarity], result of:
              0.07514362 = score(doc=5400,freq=2.0), product of:
                0.12083977 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03435205 = queryNorm
                0.6218451 = fieldWeight in 5400, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.125 = fieldNorm(doc=5400)
          0.2 = coord(1/5)
      0.16666667 = coord(1/6)
    
    Source
    CRI bulletin. 29(1994), Sept., S.14-15
  2. Hancock-Beaulieu, M.; McKenzie, L.; Irving, A.: Evaluative protocols for searching behaviour in online library catalogues (1991) 0.00
    0.0021916889 = product of:
      0.013150133 = sum of:
        0.013150133 = product of:
          0.065750666 = sum of:
            0.065750666 = weight(_text_:29 in 347) [ClassicSimilarity], result of:
              0.065750666 = score(doc=347,freq=2.0), product of:
                0.12083977 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03435205 = queryNorm
                0.5441145 = fieldWeight in 347, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.109375 = fieldNorm(doc=347)
          0.2 = coord(1/5)
      0.16666667 = coord(1/6)
    
    Date
    23. 1.1999 19:52:29
  3. Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 0.00
    0.001948196 = product of:
      0.011689176 = sum of:
        0.011689176 = product of:
          0.05844588 = sum of:
            0.05844588 = weight(_text_:28 in 6030) [ClassicSimilarity], result of:
              0.05844588 = score(doc=6030,freq=2.0), product of:
                0.12305808 = queryWeight, product of:
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.03435205 = queryNorm
                0.4749455 = fieldWeight in 6030, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6030)
          0.2 = coord(1/5)
      0.16666667 = coord(1/6)
    
    Date
    10. 8.2001 21:28:39
  4. Wien, C.: Sample sizes and composition : their effect on recall and precision in IR experiments with OPACs (2000) 0.00
    0.0010958444 = product of:
      0.0065750666 = sum of:
        0.0065750666 = product of:
          0.032875333 = sum of:
            0.032875333 = weight(_text_:29 in 5368) [ClassicSimilarity], result of:
              0.032875333 = score(doc=5368,freq=2.0), product of:
                0.12083977 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03435205 = queryNorm
                0.27205724 = fieldWeight in 5368, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5368)
          0.2 = coord(1/5)
      0.16666667 = coord(1/6)
    
    Source
    Cataloging and classification quarterly. 29(2000) no.4, S.73-86
  5. Cooper, M.D.; Chen, H.-M.: Predicting the relevance of a library catalog search (2001) 0.00
    6.2619685E-4 = product of:
      0.003757181 = sum of:
        0.003757181 = product of:
          0.018785905 = sum of:
            0.018785905 = weight(_text_:29 in 6519) [ClassicSimilarity], result of:
              0.018785905 = score(doc=6519,freq=2.0), product of:
                0.12083977 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03435205 = queryNorm
                0.15546128 = fieldWeight in 6519, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03125 = fieldNorm(doc=6519)
          0.2 = coord(1/5)
      0.16666667 = coord(1/6)
    
    Date
    29. 9.2001 17:26:02