Search (4 results, page 1 of 1)

  • × author_ss:"Walker, S."
  • × theme_ss:"Retrievalstudien"
  1. Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 0.00
    0.0036287727 = product of:
      0.0072575454 = sum of:
        0.0072575454 = product of:
          0.014515091 = sum of:
            0.014515091 = weight(_text_:e in 6030) [ClassicSimilarity], result of:
              0.014515091 = score(doc=6030,freq=2.0), product of:
                0.07616667 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.052990302 = queryNorm
                0.19057012 = fieldWeight in 6030, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6030)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  2. Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997) 0.00
    0.0036287727 = product of:
      0.0072575454 = sum of:
        0.0072575454 = product of:
          0.014515091 = sum of:
            0.014515091 = weight(_text_:e in 3097) [ClassicSimilarity], result of:
              0.014515091 = score(doc=3097,freq=2.0), product of:
                0.07616667 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.052990302 = queryNorm
                0.19057012 = fieldWeight in 3097, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3097)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  3. Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997) 0.00
    0.002116784 = product of:
      0.004233568 = sum of:
        0.004233568 = product of:
          0.008467136 = sum of:
            0.008467136 = weight(_text_:e in 2216) [ClassicSimilarity], result of:
              0.008467136 = score(doc=2216,freq=2.0), product of:
                0.07616667 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.052990302 = queryNorm
                0.1111659 = fieldWeight in 2216, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2216)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  4. Robertson, S.E.; Walker, S.; Hancock-Beaulieu, M.M.: Large test collection experiments of an operational, interactive system : OKAPI at TREC (1995) 0.00
    0.002116784 = product of:
      0.004233568 = sum of:
        0.004233568 = product of:
          0.008467136 = sum of:
            0.008467136 = weight(_text_:e in 6964) [ClassicSimilarity], result of:
              0.008467136 = score(doc=6964,freq=2.0), product of:
                0.07616667 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.052990302 = queryNorm
                0.1111659 = fieldWeight in 6964, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=6964)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e