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 
    0.0025524131 = product of:
  0.0051048263 = sum of:
    0.0051048263 = product of:
      0.010209653 = sum of:
        0.010209653 = weight(_text_:s in 6030) [ClassicSimilarity], result of:
          0.010209653 = score(doc=6030,freq=4.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.20385705 = fieldWeight in 6030, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=6030)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Information processing and management. 36(2000) no.1, S.95-108
  2. Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997) 0.00 
    0.0025524131 = product of:
  0.0051048263 = sum of:
    0.0051048263 = product of:
      0.010209653 = sum of:
        0.010209653 = weight(_text_:s in 3097) [ClassicSimilarity], result of:
          0.010209653 = score(doc=3097,freq=4.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.20385705 = fieldWeight in 3097, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=3097)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Pages
    S.143-165
  3. Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997) 0.00 
    0.0014889077 = product of:
  0.0029778155 = sum of:
    0.0029778155 = product of:
      0.005955631 = sum of:
        0.005955631 = weight(_text_:s in 2216) [ClassicSimilarity], result of:
          0.005955631 = score(doc=2216,freq=4.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.118916616 = fieldWeight in 2216, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2216)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of documentation. 53(1997) no.1, S.20-34
  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 
    0.0014889077 = product of:
  0.0029778155 = sum of:
    0.0029778155 = product of:
      0.005955631 = sum of:
        0.005955631 = weight(_text_:s in 6964) [ClassicSimilarity], result of:
          0.005955631 = score(doc=6964,freq=4.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.118916616 = fieldWeight in 6964, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=6964)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Information processing and management. 31(1995) no.3, S.345-360

Authors

Years

Themes