Search (3 results, page 1 of 1)

  • × author_ss:"Chang, C.-H."
  1. Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998) 0.06 
    0.057898887 = product of:
  0.11579777 = sum of:
    0.11579777 = sum of:
      0.07259899 = weight(_text_:c in 1319) [ClassicSimilarity], result of:
        0.07259899 = score(doc=1319,freq=6.0), product of:
          0.15711682 = queryWeight, product of:
            3.4494052 = idf(docFreq=3817, maxDocs=44218)
            0.045548957 = queryNorm
          0.46207014 = fieldWeight in 1319, product of:
            2.4494898 = tf(freq=6.0), with freq of:
              6.0 = termFreq=6.0
            3.4494052 = idf(docFreq=3817, maxDocs=44218)
            0.0546875 = fieldNorm(doc=1319)
      0.043198783 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
        0.043198783 = score(doc=1319,freq=2.0), product of:
          0.15950468 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.045548957 = queryNorm
          0.2708308 = fieldWeight in 1319, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.0546875 = fieldNorm(doc=1319)
  0.5 = coord(1/2)
    Date
    1. 8.1996 22:08:06
  2. Chang, C.-H.; Hsu, C.-C.: Customizable multi-engine search tool with clustering (1997) 0.06 
    0.057898887 = product of:
  0.11579777 = sum of:
    0.11579777 = sum of:
      0.07259899 = weight(_text_:c in 2670) [ClassicSimilarity], result of:
        0.07259899 = score(doc=2670,freq=6.0), product of:
          0.15711682 = queryWeight, product of:
            3.4494052 = idf(docFreq=3817, maxDocs=44218)
            0.045548957 = queryNorm
          0.46207014 = fieldWeight in 2670, product of:
            2.4494898 = tf(freq=6.0), with freq of:
              6.0 = termFreq=6.0
            3.4494052 = idf(docFreq=3817, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2670)
      0.043198783 = weight(_text_:22 in 2670) [ClassicSimilarity], result of:
        0.043198783 = score(doc=2670,freq=2.0), product of:
          0.15950468 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.045548957 = queryNorm
          0.2708308 = fieldWeight in 2670, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2670)
  0.5 = coord(1/2)
    Date
    1. 8.1996 22:08:06
  3. Hsu, C.-N.; Chang, C.-H.; Hsieh, C.-H.; Lu, J.-J.; Chang, C.-C.: Reconfigurable Web wrapper agents for biological information integration (2005) 0.05 
    0.048901312 = product of:
  0.097802624 = sum of:
    0.097802624 = sum of:
      0.06694635 = weight(_text_:c in 5263) [ClassicSimilarity], result of:
        0.06694635 = score(doc=5263,freq=10.0), product of:
          0.15711682 = queryWeight, product of:
            3.4494052 = idf(docFreq=3817, maxDocs=44218)
            0.045548957 = queryNorm
          0.42609286 = fieldWeight in 5263, product of:
            3.1622777 = tf(freq=10.0), with freq of:
              10.0 = termFreq=10.0
            3.4494052 = idf(docFreq=3817, maxDocs=44218)
            0.0390625 = fieldNorm(doc=5263)
      0.030856274 = weight(_text_:22 in 5263) [ClassicSimilarity], result of:
        0.030856274 = score(doc=5263,freq=2.0), product of:
          0.15950468 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.045548957 = queryNorm
          0.19345059 = fieldWeight in 5263, 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=5263)
  0.5 = coord(1/2)
    Date
    22. 7.2006 14:36:42

Authors

Years

Themes