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
    0.014581519 = product of:
      0.043744557 = sum of:
        0.03895789 = weight(_text_:suchmaschinen in 2117) [ClassicSimilarity], result of:
          0.03895789 = score(doc=2117,freq=2.0), product of:
            0.15784442 = queryWeight, product of:
              4.4677734 = idf(docFreq=1378, maxDocs=44218)
              0.03532955 = queryNorm
            0.24681194 = fieldWeight in 2117, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.4677734 = idf(docFreq=1378, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2117)
        0.0047866665 = product of:
          0.023933332 = sum of:
            0.023933332 = weight(_text_:22 in 2117) [ClassicSimilarity], result of:
              0.023933332 = score(doc=2117,freq=2.0), product of:
                0.12371807 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03532955 = 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)
          0.2 = coord(1/5)
      0.33333334 = coord(2/6)
    
    Date
    24. 1.2004 18:27:22
    Theme
    Suchmaschinen
  2. Su, L.T.; Chen, H.L.: Evaluation of Web search engines by undergraduate students (1999) 0.01
    0.011676802 = product of:
      0.035030406 = sum of:
        0.031166311 = weight(_text_:suchmaschinen in 6546) [ClassicSimilarity], result of:
          0.031166311 = score(doc=6546,freq=2.0), product of:
            0.15784442 = queryWeight, product of:
              4.4677734 = idf(docFreq=1378, maxDocs=44218)
              0.03532955 = queryNorm
            0.19744955 = fieldWeight in 6546, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.4677734 = idf(docFreq=1378, maxDocs=44218)
              0.03125 = fieldNorm(doc=6546)
        0.0038640932 = product of:
          0.019320466 = sum of:
            0.019320466 = weight(_text_:29 in 6546) [ClassicSimilarity], result of:
              0.019320466 = score(doc=6546,freq=2.0), product of:
                0.124278314 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03532955 = 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)
          0.2 = coord(1/5)
      0.33333334 = coord(2/6)
    
    Date
    29. 9.2001 20:39:10
    Theme
    Suchmaschinen
  3. Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : I. Theory and background (2003) 0.01
    0.0064929817 = product of:
      0.03895789 = sum of:
        0.03895789 = weight(_text_:suchmaschinen in 5164) [ClassicSimilarity], result of:
          0.03895789 = score(doc=5164,freq=2.0), product of:
            0.15784442 = queryWeight, product of:
              4.4677734 = idf(docFreq=1378, maxDocs=44218)
              0.03532955 = queryNorm
            0.24681194 = fieldWeight in 5164, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.4677734 = idf(docFreq=1378, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5164)
      0.16666667 = coord(1/6)
    
    Theme
    Suchmaschinen