Search (3 results, page 1 of 1)

  • × author_ss:"Chang, C.-H."
  1. Chang, C.-H.; Hsu, C.-C.: Customizable multi-engine search tool with clustering (1997) 0.01
    0.012783021 = product of:
      0.051132083 = sum of:
        0.051132083 = product of:
          0.076698124 = sum of:
            0.03852233 = weight(_text_:29 in 2670) [ClassicSimilarity], result of:
              0.03852233 = score(doc=2670,freq=2.0), product of:
                0.14159642 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.040252704 = queryNorm
                0.27205724 = fieldWeight in 2670, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2670)
            0.0381758 = weight(_text_:22 in 2670) [ClassicSimilarity], result of:
              0.0381758 = score(doc=2670,freq=2.0), product of:
                0.14095812 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040252704 = 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)
          0.6666667 = coord(2/3)
      0.25 = coord(1/4)
    
    Date
    1. 8.1996 22:08:06
    Source
    Computer networks and ISDN systems. 29(1997) no.8, S.1217-1224
  2. Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998) 0.00
    0.0031813167 = product of:
      0.012725267 = sum of:
        0.012725267 = product of:
          0.0381758 = sum of:
            0.0381758 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
              0.0381758 = score(doc=1319,freq=2.0), product of:
                0.14095812 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040252704 = 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)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    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) 0.00
    0.0022723693 = product of:
      0.009089477 = sum of:
        0.009089477 = product of:
          0.02726843 = sum of:
            0.02726843 = weight(_text_:22 in 5263) [ClassicSimilarity], result of:
              0.02726843 = score(doc=5263,freq=2.0), product of:
                0.14095812 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040252704 = 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)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Date
    22. 7.2006 14:36:42