Search (3 results, page 1 of 1)

  • × author_ss:"Robertson, S.E."
  • × theme_ss:"Retrievalalgorithmen"
  1. Robertson, S.E.: ¬The probability ranking principle in IR (1977) 0.01 
    0.008234672 = product of:
  0.024704017 = sum of:
    0.024704017 = product of:
      0.07411205 = sum of:
        0.07411205 = weight(_text_:k in 1935) [ClassicSimilarity], result of:
          0.07411205 = score(doc=1935,freq=2.0), product of:
            0.15658903 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0438652 = queryNorm
            0.47329018 = fieldWeight in 1935, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.09375 = fieldNorm(doc=1935)
      0.33333334 = coord(1/3)
  0.33333334 = coord(1/3)
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willet. San Francisco: Morgan Kaufmann 1997. S.281-286.
  2. MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 0.01 
    0.0052827816 = product of:
  0.015848344 = sum of:
    0.015848344 = product of:
      0.04754503 = sum of:
        0.04754503 = weight(_text_:22 in 5108) [ClassicSimilarity], result of:
          0.04754503 = score(doc=5108,freq=2.0), product of:
            0.15360846 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0438652 = queryNorm
            0.30952093 = fieldWeight in 5108, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0625 = fieldNorm(doc=5108)
      0.33333334 = coord(1/3)
  0.33333334 = coord(1/3)
    Date
    20. 1.2007 18:30:22
  3. Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997) 0.00 
    0.0034311134 = product of:
  0.01029334 = sum of:
    0.01029334 = product of:
      0.03088002 = sum of:
        0.03088002 = weight(_text_:k in 4532) [ClassicSimilarity], result of:
          0.03088002 = score(doc=4532,freq=2.0), product of:
            0.15658903 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0438652 = queryNorm
            0.19720423 = fieldWeight in 4532, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4532)
      0.33333334 = coord(1/3)
  0.33333334 = coord(1/3)

Authors

Years

Types