Search (2 results, page 1 of 1)

  • × author_ss:"Robertson, S.E."
  • × author_ss:"Walker, S."
  1. Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 0.00
    0.001948196 = product of:
      0.011689176 = sum of:
        0.011689176 = product of:
          0.05844588 = sum of:
            0.05844588 = weight(_text_:28 in 6030) [ClassicSimilarity], result of:
              0.05844588 = score(doc=6030,freq=2.0), product of:
                0.12305808 = queryWeight, product of:
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.03435205 = queryNorm
                0.4749455 = fieldWeight in 6030, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6030)
          0.2 = coord(1/5)
      0.16666667 = coord(1/6)
    
    Date
    10. 8.2001 21:28:39
  2. Sparck Jones, K.; Walker, S.; Robertson, S.E.: ¬A probabilistic model of information retrieval : development and comparative experiments - part 1 (2000) 0.00
    0.0018785906 = product of:
      0.011271543 = sum of:
        0.011271543 = product of:
          0.056357715 = sum of:
            0.056357715 = weight(_text_:29 in 4181) [ClassicSimilarity], result of:
              0.056357715 = score(doc=4181,freq=2.0), product of:
                0.12083977 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03435205 = queryNorm
                0.46638384 = fieldWeight in 4181, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.09375 = fieldNorm(doc=4181)
          0.2 = coord(1/5)
      0.16666667 = coord(1/6)
    
    Date
    27.12.2007 19:27:29