Search (5 results, page 1 of 1)

  • × author_ss:"Wu, H."
  • × theme_ss:"Retrievalalgorithmen"
  • × type_ss:"a"
  1. Fan, W.; Fox, E.A.; Pathak, P.; Wu, H.: ¬The effects of fitness functions an genetic programming-based ranking discovery for Web search (2004) 0.02 
    0.022872185 = product of:
  0.04574437 = sum of:
    0.04574437 = sum of:
      0.00402188 = weight(_text_:s in 2239) [ClassicSimilarity], result of:
        0.00402188 = score(doc=2239,freq=2.0), product of:
          0.055801827 = queryWeight, product of:
            1.0872376 = idf(docFreq=40523, maxDocs=44218)
            0.05132441 = queryNorm
          0.072074346 = fieldWeight in 2239, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            1.0872376 = idf(docFreq=40523, maxDocs=44218)
            0.046875 = fieldNorm(doc=2239)
      0.04172249 = weight(_text_:22 in 2239) [ClassicSimilarity], result of:
        0.04172249 = score(doc=2239,freq=2.0), product of:
          0.17972933 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.05132441 = queryNorm
          0.23214069 = fieldWeight in 2239, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.046875 = fieldNorm(doc=2239)
  0.5 = coord(1/2)
    Date
    31. 5.2004 19:22:06
    Source
    Journal of the American Society for Information Science and technology. 55(2004) no.7, S.628-636
  2. Wu, H.; Salton, G.: ¬The estimation of term relevance weights using relevance feedback (1981) 0.00 
    0.0026812535 = product of:
  0.005362507 = sum of:
    0.005362507 = product of:
      0.010725014 = sum of:
        0.010725014 = weight(_text_:s in 4728) [ClassicSimilarity], result of:
          0.010725014 = score(doc=4728,freq=2.0), product of:
            0.055801827 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.05132441 = queryNorm
            0.19219826 = fieldWeight in 4728, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=4728)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of documentation. 37(1981), S.194-214
  3. Li, H.; Wu, H.; Li, D.; Lin, S.; Su, Z.; Luo, X.: PSI: A probabilistic semantic interpretable framework for fine-grained image ranking (2018) 0.00 
    0.0014219495 = product of:
  0.002843899 = sum of:
    0.002843899 = product of:
      0.005687798 = sum of:
        0.005687798 = weight(_text_:s in 4577) [ClassicSimilarity], result of:
          0.005687798 = score(doc=4577,freq=4.0), product of:
            0.055801827 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.05132441 = queryNorm
            0.101928525 = fieldWeight in 4577, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=4577)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the Association for Information Science and Technology. 69(2018) no.12, S.1488-1501
  4. Radev, D.; Fan, W.; Qu, H.; Wu, H.; Grewal, A.: Probabilistic question answering on the Web (2005) 0.00 
    0.00100547 = product of:
  0.00201094 = sum of:
    0.00201094 = product of:
      0.00402188 = sum of:
        0.00402188 = weight(_text_:s in 3455) [ClassicSimilarity], result of:
          0.00402188 = score(doc=3455,freq=2.0), product of:
            0.055801827 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.05132441 = queryNorm
            0.072074346 = fieldWeight in 3455, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=3455)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science and Technology. 56(2005) no.6, S.571-583
  5. Ning, X.; Jin, H.; Wu, H.: RSS: a framework enabling ranked search on the semantic web (2008) 0.00 
    8.3789177E-4 = product of:
  0.0016757835 = sum of:
    0.0016757835 = product of:
      0.003351567 = sum of:
        0.003351567 = weight(_text_:s in 2069) [ClassicSimilarity], result of:
          0.003351567 = score(doc=2069,freq=2.0), product of:
            0.055801827 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.05132441 = queryNorm
            0.060061958 = fieldWeight in 2069, 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=2069)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Information processing and management. 44(2008) no.2, S.893-909

Authors

Years

Themes