Search (3 results, page 1 of 1)

  • × author_ss:"Walker, S."
  • × theme_ss:"OPAC"
  • × type_ss:"a"
  1. Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 0.08 
    0.08121826 = product of:
  0.16243652 = sum of:
    0.16243652 = product of:
      0.32487303 = sum of:
        0.32487303 = weight(_text_:s.e in 6030) [ClassicSimilarity], result of:
          0.32487303 = score(doc=6030,freq=2.0), product of:
            0.34931305 = queryWeight, product of:
              7.014756 = idf(docFreq=107, maxDocs=44218)
              0.04979689 = queryNorm
            0.93003404 = fieldWeight in 6030, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.014756 = idf(docFreq=107, maxDocs=44218)
              0.09375 = fieldNorm(doc=6030)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  2. Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988) 0.03 
    0.026987165 = product of:
  0.05397433 = sum of:
    0.05397433 = product of:
      0.10794866 = sum of:
        0.10794866 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
          0.10794866 = score(doc=7403,freq=2.0), product of:
            0.17438023 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04979689 = queryNorm
            0.61904186 = fieldWeight in 7403, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=7403)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Program. 22(1988), S.21-31
  3. Walker, S.: ¬The Okapi online catalogue research projects (1989) 0.02 
    0.016866978 = product of:
  0.033733957 = sum of:
    0.033733957 = product of:
      0.06746791 = sum of:
        0.06746791 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
          0.06746791 = score(doc=1942,freq=2.0), product of:
            0.17438023 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04979689 = queryNorm
            0.38690117 = fieldWeight in 1942, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.078125 = fieldNorm(doc=1942)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    16. 8.1998 11:22:08

Authors

Years