Search (1 results, page 1 of 1)

  • × theme_ss:"OPAC"
  • × author_ss:"Robertson, S.E."
  1. Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 0.00 
    8.64828E-4 = product of:
  0.012107591 = sum of:
    0.012107591 = weight(_text_:information in 6030) [ClassicSimilarity], result of:
      0.012107591 = score(doc=6030,freq=2.0), product of:
        0.052020688 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.029633347 = queryNorm
        0.23274569 = fieldWeight in 6030, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.09375 = fieldNorm(doc=6030)
  0.071428575 = coord(1/14)
    Source
    Information processing and management. 36(2000) no.1, S.95-108