Search (3 results, page 1 of 1)

  • × author_ss:"Su, L.T."
  • × theme_ss:"Suchmaschinen"
  1. Su, L.T.: Developing a comprehensive and systematic model of user evaluation of Web-based search engines (1997) 0.02
    0.015936451 = product of:
      0.031872902 = sum of:
        0.031872902 = product of:
          0.063745804 = sum of:
            0.063745804 = weight(_text_:online in 317) [ClassicSimilarity], result of:
              0.063745804 = score(doc=317,freq=2.0), product of:
                0.15842392 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.05220068 = queryNorm
                0.40237486 = fieldWeight in 317, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.09375 = fieldNorm(doc=317)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Proceedings of the 18th National Online Meeting 1997, New York, 13.-15.5.1997. Ed.: M.E. Williams
  2. Dong, X.; Su, L.T.: Search engines on the World Wide Web and information retrieval from the Internet : a review and evaluation (1997) 0.01
    0.0106243 = product of:
      0.0212486 = sum of:
        0.0212486 = product of:
          0.0424972 = sum of:
            0.0424972 = weight(_text_:online in 155) [ClassicSimilarity], result of:
              0.0424972 = score(doc=155,freq=2.0), product of:
                0.15842392 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.05220068 = queryNorm
                0.2682499 = fieldWeight in 155, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, 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
  3. Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : Il. An evaluation by undergraduates (2003) 0.01
    0.008840589 = product of:
      0.017681178 = sum of:
        0.017681178 = product of:
          0.035362355 = sum of:
            0.035362355 = weight(_text_:22 in 2117) [ClassicSimilarity], result of:
              0.035362355 = score(doc=2117,freq=2.0), product of:
                0.18279788 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.05220068 = 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)
      0.5 = coord(1/2)
    
    Date
    24. 1.2004 18:27:22