Search (9 results, page 1 of 1)

  • × author_ss:"Robertson, S.E."
  1. Robertson, S.E.: ¬The methodology of information retrieval experiment (1981) 0.01
    0.007062511 = product of:
      0.028250044 = sum of:
        0.028250044 = product of:
          0.08475013 = sum of:
            0.08475013 = weight(_text_:k in 3146) [ClassicSimilarity], result of:
              0.08475013 = score(doc=3146,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.63105357 = fieldWeight in 3146, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3146)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  2. Sparck Jones, K.; Walker, S.; Robertson, S.E.: ¬A probabilistic model of information retrieval : development and comparative experiments - part 1 (2000) 0.01
    0.0052968836 = product of:
      0.021187535 = sum of:
        0.021187535 = product of:
          0.0635626 = sum of:
            0.0635626 = weight(_text_:k in 4181) [ClassicSimilarity], result of:
              0.0635626 = score(doc=4181,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.47329018 = fieldWeight in 4181, 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=4181)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
  3. Sparck Jones, K.; Walker, S.; Robertson, S.E.: ¬A probabilistic model of information retrieval : development and comparative experiments - part 2 (2000) 0.01
    0.0052968836 = product of:
      0.021187535 = sum of:
        0.021187535 = product of:
          0.0635626 = sum of:
            0.0635626 = weight(_text_:k in 4286) [ClassicSimilarity], result of:
              0.0635626 = score(doc=4286,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.47329018 = fieldWeight in 4286, 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=4286)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
  4. Robertson, S.E.; Walker, S.; Beaulieu, M.M.; Gatford, M.; Payne, A.: Okapi at TREC-4 (1996) 0.01
    0.0052968836 = product of:
      0.021187535 = sum of:
        0.021187535 = product of:
          0.0635626 = sum of:
            0.0635626 = weight(_text_:k in 7546) [ClassicSimilarity], result of:
              0.0635626 = score(doc=7546,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.47329018 = fieldWeight in 7546, 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=7546)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman
  5. Robertson, S.E.: ¬The probability ranking principle in IR (1977) 0.01
    0.0052968836 = product of:
      0.021187535 = sum of:
        0.021187535 = product of:
          0.0635626 = sum of:
            0.0635626 = weight(_text_:k in 1935) [ClassicSimilarity], result of:
              0.0635626 = score(doc=1935,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = 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)
      0.25 = coord(1/4)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willet. San Francisco: Morgan Kaufmann 1997. S.281-286.
  6. MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 0.01
    0.0050971564 = product of:
      0.020388626 = sum of:
        0.020388626 = product of:
          0.04077725 = sum of:
            0.04077725 = weight(_text_:22 in 5108) [ClassicSimilarity], result of:
              0.04077725 = score(doc=5108,freq=2.0), product of:
                0.13174312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.037621226 = 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)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Date
    20. 1.2007 18:30:22
  7. Robertson, S.E.; Walker, S.: Some simple effective approximations to the 2-Poisson molde for probabilisitc weighted retrieval (1979) 0.00
    0.0044140695 = product of:
      0.017656278 = sum of:
        0.017656278 = product of:
          0.05296883 = sum of:
            0.05296883 = weight(_text_:k in 1940) [ClassicSimilarity], result of:
              0.05296883 = score(doc=1940,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.39440846 = fieldWeight in 1940, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1940)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.345-453.
  8. Robertson, S.E.; Sparck Jones, K.: Relevance weighting of search terms (1976) 0.00
    0.0035312555 = product of:
      0.014125022 = sum of:
        0.014125022 = product of:
          0.042375065 = sum of:
            0.042375065 = weight(_text_:k in 71) [ClassicSimilarity], result of:
              0.042375065 = score(doc=71,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.31552678 = fieldWeight in 71, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0625 = fieldNorm(doc=71)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
  9. Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997) 0.00
    0.0022070347 = product of:
      0.008828139 = sum of:
        0.008828139 = product of:
          0.026484415 = sum of:
            0.026484415 = weight(_text_:k in 4532) [ClassicSimilarity], result of:
              0.026484415 = score(doc=4532,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = 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)
      0.25 = coord(1/4)