Search (6 results, page 1 of 1)

  • × author_ss:"Walker, S."
  • × type_ss:"a"
  • × year_i:[1980 TO 1990}
  1. Walker, S.: ¬The Okapi online catalogue research projects (1989) 0.07
    0.06793077 = product of:
      0.13586155 = sum of:
        0.13586155 = sum of:
          0.063996255 = weight(_text_:k in 1942) [ClassicSimilarity], result of:
            0.063996255 = score(doc=1942,freq=2.0), product of:
              0.16225883 = queryWeight, product of:
                3.569778 = idf(docFreq=3384, maxDocs=44218)
                0.04545348 = queryNorm
              0.39440846 = fieldWeight in 1942, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.569778 = idf(docFreq=3384, maxDocs=44218)
                0.078125 = fieldNorm(doc=1942)
          0.010282098 = weight(_text_:s in 1942) [ClassicSimilarity], result of:
            0.010282098 = score(doc=1942,freq=6.0), product of:
              0.049418733 = queryWeight, product of:
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.04545348 = queryNorm
              0.20806074 = fieldWeight in 1942, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.078125 = fieldNorm(doc=1942)
          0.06158319 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
            0.06158319 = score(doc=1942,freq=2.0), product of:
              0.15917034 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.04545348 = 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)
    
    Date
    16. 8.1998 11:22:08
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.424-435.
    Pages
    S.84-106
  2. Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988) 0.04
    0.03732186 = product of:
      0.07464372 = sum of:
        0.07464372 = product of:
          0.11196558 = sum of:
            0.013432476 = weight(_text_:s in 7403) [ClassicSimilarity], result of:
              0.013432476 = score(doc=7403,freq=4.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.2718094 = fieldWeight in 7403, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.125 = fieldNorm(doc=7403)
            0.09853311 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
              0.09853311 = score(doc=7403,freq=2.0), product of:
                0.15917034 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04545348 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Source
    Program. 22(1988), S.21-31
  3. Walker, S.: Okapi : Evaluating and enhancing an experimental online catalog (1987) 0.00
    0.002238746 = product of:
      0.004477492 = sum of:
        0.004477492 = product of:
          0.013432476 = sum of:
            0.013432476 = weight(_text_:s in 373) [ClassicSimilarity], result of:
              0.013432476 = score(doc=373,freq=4.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.2718094 = fieldWeight in 373, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.125 = fieldNorm(doc=373)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Library trends. 35(1987), S.631-645
  4. Walker, S.: Ease of use in online catalogues : a plea for the user (1986) 0.00
    0.002238746 = product of:
      0.004477492 = sum of:
        0.004477492 = product of:
          0.013432476 = sum of:
            0.013432476 = weight(_text_:s in 375) [ClassicSimilarity], result of:
              0.013432476 = score(doc=375,freq=4.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.2718094 = fieldWeight in 375, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.125 = fieldNorm(doc=375)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Pages
    S.79-90
  5. Walker, S.: ¬The free language approach to online catalogues (1985) 0.00
    0.002238746 = product of:
      0.004477492 = sum of:
        0.004477492 = product of:
          0.013432476 = sum of:
            0.013432476 = weight(_text_:s in 383) [ClassicSimilarity], result of:
              0.013432476 = score(doc=383,freq=4.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.2718094 = fieldWeight in 383, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.125 = fieldNorm(doc=383)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Pages
    S.31-49
  6. Mitev, N.N.; Walker, S.: Information retrieval aids in an online public access catalogue : automatic intelligent search sequencing (1985) 0.00
    0.0016790595 = product of:
      0.003358119 = sum of:
        0.003358119 = product of:
          0.010074357 = sum of:
            0.010074357 = weight(_text_:s in 337) [ClassicSimilarity], result of:
              0.010074357 = score(doc=337,freq=4.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.20385705 = fieldWeight in 337, 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=337)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Pages
    S.215-226