Search (11 results, page 1 of 1)

  • × author_ss:"Walker, S."
  1. Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988) 0.02
    0.024832444 = product of:
      0.04966489 = sum of:
        0.04966489 = product of:
          0.09932978 = sum of:
            0.09932978 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
              0.09932978 = score(doc=7403,freq=2.0), product of:
                0.16045728 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045820985 = 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
  2. Walker, S.: ¬The Okapi online catalogue research projects (1989) 0.02
    0.015520277 = product of:
      0.031040555 = sum of:
        0.031040555 = product of:
          0.06208111 = sum of:
            0.06208111 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
              0.06208111 = score(doc=1942,freq=2.0), product of:
                0.16045728 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045820985 = 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
  3. Walker, S.; Hancock-Beaulieu, M.: OKAPI at city : an evaluation facility for interactive IR (1991) 0.01
    0.012539689 = product of:
      0.025079379 = sum of:
        0.025079379 = product of:
          0.050158758 = sum of:
            0.050158758 = weight(_text_:m in 2702) [ClassicSimilarity], result of:
              0.050158758 = score(doc=2702,freq=2.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.4398997 = fieldWeight in 2702, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.125 = fieldNorm(doc=2702)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Mitev, N.N.; Walker, S.: Information retrieval aids in an online public access catalogue : automatic intelligent search sequencing (1985) 0.01
    0.009404767 = product of:
      0.018809535 = sum of:
        0.018809535 = product of:
          0.03761907 = sum of:
            0.03761907 = weight(_text_:m in 337) [ClassicSimilarity], result of:
              0.03761907 = score(doc=337,freq=2.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.3299248 = fieldWeight in 337, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.09375 = fieldNorm(doc=337)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Advances in intelligent retrieval: Proc. of a Conf. ... Wadham College, Oxford, 16.-17.4.1985. Intr.: M. Rowbottom
  5. Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 0.01
    0.009404767 = product of:
      0.018809535 = sum of:
        0.018809535 = product of:
          0.03761907 = sum of:
            0.03761907 = weight(_text_:m in 6030) [ClassicSimilarity], result of:
              0.03761907 = score(doc=6030,freq=2.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.3299248 = fieldWeight in 6030, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6030)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  6. Robertson, S.E.; Walker, S.; Beaulieu, M.M.; Gatford, M.; Payne, A.: Okapi at TREC-4 (1996) 0.01
    0.009404767 = product of:
      0.018809535 = sum of:
        0.018809535 = product of:
          0.03761907 = sum of:
            0.03761907 = weight(_text_:m in 7546) [ClassicSimilarity], result of:
              0.03761907 = score(doc=7546,freq=2.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.3299248 = fieldWeight in 7546, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.09375 = fieldNorm(doc=7546)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  7. Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997) 0.01
    0.009404767 = product of:
      0.018809535 = sum of:
        0.018809535 = product of:
          0.03761907 = sum of:
            0.03761907 = weight(_text_:m in 3097) [ClassicSimilarity], result of:
              0.03761907 = score(doc=3097,freq=2.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.3299248 = fieldWeight in 3097, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3097)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  8. Mitev, N.N.; Venner, G.M.; Walker, S.: Designing an online public access catalogue : OKAPI, a catalogue on a local area network (1985) 0.01
    0.007837306 = product of:
      0.015674612 = sum of:
        0.015674612 = product of:
          0.031349223 = sum of:
            0.031349223 = weight(_text_:m in 435) [ClassicSimilarity], result of:
              0.031349223 = score(doc=435,freq=2.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.27493733 = fieldWeight in 435, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.078125 = fieldNorm(doc=435)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    m
  9. Jones, S.; Gatford, M.; Robertson, S.; Hancock-Beaulieu, M.; Secker, J.; Walker, S.: Interactive thesaurus navigation : intelligence rules OK? (1995) 0.01
    0.007758537 = product of:
      0.015517074 = sum of:
        0.015517074 = product of:
          0.031034147 = sum of:
            0.031034147 = weight(_text_:m in 180) [ClassicSimilarity], result of:
              0.031034147 = score(doc=180,freq=4.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.27217406 = fieldWeight in 180, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=180)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  10. Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997) 0.01
    0.005486114 = product of:
      0.010972228 = sum of:
        0.010972228 = product of:
          0.021944456 = sum of:
            0.021944456 = weight(_text_:m in 2216) [ClassicSimilarity], result of:
              0.021944456 = score(doc=2216,freq=2.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.19245613 = fieldWeight in 2216, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2216)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  11. Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992) 0.01
    0.005486114 = product of:
      0.010972228 = sum of:
        0.010972228 = product of:
          0.021944456 = sum of:
            0.021944456 = weight(_text_:m in 2731) [ClassicSimilarity], result of:
              0.021944456 = score(doc=2731,freq=2.0), product of:
                0.114023164 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045820985 = queryNorm
                0.19245613 = fieldWeight in 2731, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2731)
          0.5 = coord(1/2)
      0.5 = coord(1/2)