Search (2 results, page 1 of 1)

  • × author_ss:"Fan, W."
  • × 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) 0.02 
    0.022013072 = product of:
  0.044026144 = sum of:
    0.044026144 = sum of:
      0.0063420245 = weight(_text_:e in 3239) [ClassicSimilarity], result of:
        0.0063420245 = score(doc=3239,freq=2.0), product of:
          0.066576056 = queryWeight, product of:
            1.4369894 = idf(docFreq=28694, maxDocs=44421)
            0.046330232 = queryNorm
          0.09525984 = fieldWeight in 3239, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            1.4369894 = idf(docFreq=28694, maxDocs=44421)
            0.046875 = fieldNorm(doc=3239)
      0.03768412 = weight(_text_:22 in 3239) [ClassicSimilarity], result of:
        0.03768412 = score(doc=3239,freq=2.0), product of:
          0.16228683 = queryWeight, product of:
            3.5028281 = idf(docFreq=3635, maxDocs=44421)
            0.046330232 = queryNorm
          0.23220688 = fieldWeight in 3239, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5028281 = idf(docFreq=3635, maxDocs=44421)
            0.046875 = fieldNorm(doc=3239)
  0.5 = coord(1/2)
    Date
    31. 5.2004 19:22:06
    Language
    e
  2. Radev, D.; Fan, W.; Qu, H.; Wu, H.; Grewal, A.: Probabilistic question answering on the Web (2005) 0.00 
    0.0015855061 = product of:
  0.0031710123 = sum of:
    0.0031710123 = product of:
      0.0063420245 = sum of:
        0.0063420245 = weight(_text_:e in 4455) [ClassicSimilarity], result of:
          0.0063420245 = score(doc=4455,freq=2.0), product of:
            0.066576056 = queryWeight, product of:
              1.4369894 = idf(docFreq=28694, maxDocs=44421)
              0.046330232 = queryNorm
            0.09525984 = fieldWeight in 4455, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.4369894 = idf(docFreq=28694, maxDocs=44421)
              0.046875 = fieldNorm(doc=4455)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e

Authors

Themes