Search (3 results, page 1 of 1)

  • × author_ss:"Su, L.T."
  • × theme_ss:"Benutzerstudien"
  1. Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : Il. An evaluation by undergraduates (2003) 0.01 
    0.008439512 = product of:
  0.0126592675 = sum of:
    0.0028397 = weight(_text_:s in 2117) [ClassicSimilarity], result of:
      0.0028397 = score(doc=2117,freq=2.0), product of:
        0.047279514 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04348591 = queryNorm
        0.060061958 = fieldWeight in 2117, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.0390625 = fieldNorm(doc=2117)
    0.009819567 = product of:
      0.029458702 = sum of:
        0.029458702 = weight(_text_:22 in 2117) [ClassicSimilarity], result of:
          0.029458702 = score(doc=2117,freq=2.0), product of:
            0.15228024 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04348591 = queryNorm
            0.19345059 = fieldWeight in 2117, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2117)
      0.33333334 = coord(1/3)
  0.6666667 = coord(2/3)
    Date
    24. 1.2004 18:27:22
    Source
    Journal of the American Society for Information Science and technology. 54(2003) no.13, S.1193-1222
  2. Su, L.T.; Chen, H.L.: Evaluation of Web search engines by undergraduate students (1999) 0.01 
    0.0067991484 = product of:
  0.010198723 = sum of:
    0.00227176 = weight(_text_:s in 6546) [ClassicSimilarity], result of:
      0.00227176 = score(doc=6546,freq=2.0), product of:
        0.047279514 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04348591 = queryNorm
        0.048049565 = fieldWeight in 6546, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.03125 = fieldNorm(doc=6546)
    0.007926962 = product of:
      0.023780886 = sum of:
        0.023780886 = weight(_text_:29 in 6546) [ClassicSimilarity], result of:
          0.023780886 = score(doc=6546,freq=2.0), product of:
            0.15296984 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.04348591 = queryNorm
            0.15546128 = fieldWeight in 6546, 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=6546)
      0.33333334 = coord(1/3)
  0.6666667 = coord(2/3)
    Date
    29. 9.2001 20:39:10
    Pages
    S.98-114
  3. Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : I. Theory and background (2003) 0.00 
    9.465667E-4 = product of:
  0.0028397 = sum of:
    0.0028397 = weight(_text_:s in 5164) [ClassicSimilarity], result of:
      0.0028397 = score(doc=5164,freq=2.0), product of:
        0.047279514 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04348591 = queryNorm
        0.060061958 = fieldWeight in 5164, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.0390625 = fieldNorm(doc=5164)
  0.33333334 = coord(1/3)
    Source
    Journal of the American Society for Information Science and technology. 54(2003) no.13, S.1175-1192

Years