Search (2 results, page 1 of 1)

  • × author_ss:"Wu, H."
  • × theme_ss:"Retrievalalgorithmen"
  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) 0.01
    0.0084825 = product of:
      0.0424125 = sum of:
        0.0424125 = weight(_text_:22 in 2239) [ClassicSimilarity], result of:
          0.0424125 = score(doc=2239,freq=2.0), product of:
            0.1827017 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052173212 = 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)
      0.2 = coord(1/5)
    
    Date
    31. 5.2004 19:22:06
  2. Radev, D.; Fan, W.; Qu, H.; Wu, H.; Grewal, A.: Probabilistic question answering on the Web (2005) 0.01
    0.0066386065 = product of:
      0.033193033 = sum of:
        0.033193033 = weight(_text_:21 in 3455) [ClassicSimilarity], result of:
          0.033193033 = score(doc=3455,freq=2.0), product of:
            0.16162895 = queryWeight, product of:
              3.0979297 = idf(docFreq=5425, maxDocs=44218)
              0.052173212 = queryNorm
            0.20536566 = fieldWeight in 3455, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0979297 = idf(docFreq=5425, maxDocs=44218)
              0.046875 = fieldNorm(doc=3455)
      0.2 = coord(1/5)
    
    Date
    21. 2.2007 13:16:09