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) 0.00
    0.0037333388 = product of:
      0.011200016 = sum of:
        0.0037603125 = weight(_text_:e in 2117) [ClassicSimilarity], result of:
          0.0037603125 = score(doc=2117,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.07940422 = fieldWeight in 2117, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2117)
        0.0074397037 = product of:
          0.02231911 = sum of:
            0.02231911 = weight(_text_:22 in 2117) [ClassicSimilarity], result of:
              0.02231911 = score(doc=2117,freq=2.0), product of:
                0.1153737 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03294669 = 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)
      0.33333334 = coord(2/6)
    
    Date
    24. 1.2004 18:27:22
    Language
    e
  2. Su, L.T.; Chen, H.L.: Evaluation of Web search engines by undergraduate students (1999) 0.00
    0.0030046795 = product of:
      0.009014038 = sum of:
        0.00300825 = weight(_text_:e in 6546) [ClassicSimilarity], result of:
          0.00300825 = score(doc=6546,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.063523374 = fieldWeight in 6546, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03125 = fieldNorm(doc=6546)
        0.006005788 = product of:
          0.018017365 = sum of:
            0.018017365 = weight(_text_:29 in 6546) [ClassicSimilarity], result of:
              0.018017365 = score(doc=6546,freq=2.0), product of:
                0.11589616 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03294669 = 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)
      0.33333334 = coord(2/6)
    
    Date
    29. 9.2001 20:39:10
    Language
    e
  3. Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : I. Theory and background (2003) 0.00
    6.2671874E-4 = product of:
      0.0037603125 = sum of:
        0.0037603125 = weight(_text_:e in 5164) [ClassicSimilarity], result of:
          0.0037603125 = score(doc=5164,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.07940422 = fieldWeight in 5164, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5164)
      0.16666667 = coord(1/6)
    
    Language
    e