Search (5 results, page 1 of 1)

  • × author_ss:"Su, L.T."
  • × theme_ss:"Suchmaschinen"
  1. Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : Il. An evaluation by undergraduates (2003) 0.02 
    0.01970328 = product of:
  0.03940656 = sum of:
    0.03940656 = sum of:
      0.003464655 = weight(_text_:s in 2117) [ClassicSimilarity], result of:
        0.003464655 = score(doc=2117,freq=2.0), product of:
          0.057684682 = queryWeight, product of:
            1.0872376 = idf(docFreq=40523, maxDocs=44218)
            0.053056188 = 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)
      0.035941906 = weight(_text_:22 in 2117) [ClassicSimilarity], result of:
        0.035941906 = score(doc=2117,freq=2.0), product of:
          0.18579373 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.053056188 = 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)
  0.5 = coord(1/2)
    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.: Developing a comprehensive and systematic model of user evaluation of Web-based search engines (1997) 0.00 
    0.0020787928 = product of:
  0.0041575856 = sum of:
    0.0041575856 = product of:
      0.008315171 = sum of:
        0.008315171 = weight(_text_:s in 317) [ClassicSimilarity], result of:
          0.008315171 = score(doc=317,freq=2.0), product of:
            0.057684682 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.053056188 = queryNorm
            0.14414869 = fieldWeight in 317, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=317)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Pages
    S.335-344
  3. Dong, X.; Su, L.T.: Search engines on the World Wide Web and information retrieval from the Internet : a review and evaluation (1997) 0.00 
    0.001385862 = product of:
  0.002771724 = sum of:
    0.002771724 = product of:
      0.005543448 = sum of:
        0.005543448 = weight(_text_:s in 155) [ClassicSimilarity], result of:
          0.005543448 = score(doc=155,freq=2.0), product of:
            0.057684682 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.053056188 = queryNorm
            0.09609913 = fieldWeight in 155, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=155)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Online and CD-ROM review. 21(1997) no.2, S.67-82
  4. Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : I. Theory and background (2003) 0.00 
    8.6616375E-4 = product of:
  0.0017323275 = sum of:
    0.0017323275 = product of:
      0.003464655 = sum of:
        0.003464655 = weight(_text_:s in 5164) [ClassicSimilarity], result of:
          0.003464655 = score(doc=5164,freq=2.0), product of:
            0.057684682 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.053056188 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science and technology. 54(2003) no.13, S.1175-1192
  5. Su, L.T.; Chen, H.L.: Evaluation of Web search engines by undergraduate students (1999) 0.00 
    6.92931E-4 = product of:
  0.001385862 = sum of:
    0.001385862 = product of:
      0.002771724 = sum of:
        0.002771724 = weight(_text_:s in 6546) [ClassicSimilarity], result of:
          0.002771724 = score(doc=6546,freq=2.0), product of:
            0.057684682 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.053056188 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Pages
    S.98-114

Authors

Years