Search (2 results, page 1 of 1)

  • × author_ss:"Wu, H."
  • × theme_ss:"Retrievalalgorithmen"
  1. Wu, H.; Salton, G.: ¬The estimation of term relevance weights using relevance feedback (1981) 0.03 
    0.028332809 = product of:
  0.056665618 = sum of:
    0.056665618 = product of:
      0.113331236 = sum of:
        0.113331236 = weight(_text_:g in 4728) [ClassicSimilarity], result of:
          0.113331236 = score(doc=4728,freq=2.0), product of:
            0.17068884 = queryWeight, product of:
              3.7559474 = idf(docFreq=2809, maxDocs=44218)
              0.04544495 = queryNorm
            0.663964 = fieldWeight in 4728, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.7559474 = idf(docFreq=2809, maxDocs=44218)
              0.125 = fieldNorm(doc=4728)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  2. 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 
    0.009235744 = product of:
  0.018471489 = sum of:
    0.018471489 = product of:
      0.036942977 = sum of:
        0.036942977 = weight(_text_:22 in 2239) [ClassicSimilarity], result of:
          0.036942977 = score(doc=2239,freq=2.0), product of:
            0.15914047 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04544495 = 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)
  0.5 = coord(1/2)
    Date
    31. 5.2004 19:22:06

Authors

Years