Search (1 results, page 1 of 1)

  • × author_ss:"Fox, E.A."
  • × 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) 0.00
    0.0034962287 = product of:
      0.013984915 = sum of:
        0.009282129 = product of:
          0.027846385 = sum of:
            0.027846385 = weight(_text_:w in 2239) [ClassicSimilarity], result of:
              0.027846385 = score(doc=2239,freq=2.0), product of:
                0.11022897 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.02892537 = queryNorm
                0.2526231 = fieldWeight in 2239, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2239)
          0.33333334 = coord(1/3)
        0.0047027855 = product of:
          0.023513928 = sum of:
            0.023513928 = weight(_text_:22 in 2239) [ClassicSimilarity], result of:
              0.023513928 = score(doc=2239,freq=2.0), product of:
                0.101291716 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.02892537 = 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)
      0.25 = coord(2/8)
    
    Date
    31. 5.2004 19:22:06