Search (5 results, page 1 of 1)

  • × author_ss:"Sparck Jones, K."
  • × type_ss:"a"
  • × year_i:[1980 TO 1990}
  1. Sparck Jones, K.: Retrieval system tests 1958-1978 (1981) 0.01
    0.009508109 = product of:
      0.038032435 = sum of:
        0.038032435 = product of:
          0.1140973 = sum of:
            0.1140973 = weight(_text_:k in 3156) [ClassicSimilarity], result of:
              0.1140973 = score(doc=3156,freq=4.0), product of:
                0.12784806 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.03581401 = queryNorm
                0.8924445 = fieldWeight in 3156, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3156)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  2. Sparck Jones, K.: ¬The Cranfield tests (1981) 0.01
    0.009508109 = product of:
      0.038032435 = sum of:
        0.038032435 = product of:
          0.1140973 = sum of:
            0.1140973 = weight(_text_:k in 3157) [ClassicSimilarity], result of:
              0.1140973 = score(doc=3157,freq=4.0), product of:
                0.12784806 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.03581401 = queryNorm
                0.8924445 = fieldWeight in 3157, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3157)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  3. Sparck Jones, K.; Tait, J.I.: Automatic search term variant generation (1984) 0.01
    0.0067232484 = product of:
      0.026892994 = sum of:
        0.026892994 = product of:
          0.08067898 = sum of:
            0.08067898 = weight(_text_:k in 2918) [ClassicSimilarity], result of:
              0.08067898 = score(doc=2918,freq=2.0), product of:
                0.12784806 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.03581401 = queryNorm
                0.63105357 = fieldWeight in 2918, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=2918)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
  4. Sparck Jones, K.: Fashionable trends and feasible strategies in information management (1988) 0.00
    0.002941421 = product of:
      0.011765684 = sum of:
        0.011765684 = product of:
          0.03529705 = sum of:
            0.03529705 = weight(_text_:k in 817) [ClassicSimilarity], result of:
              0.03529705 = score(doc=817,freq=2.0), product of:
                0.12784806 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.03581401 = queryNorm
                0.27608594 = fieldWeight in 817, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=817)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
  5. Needham, R.M.; Sparck Jones, K.: Keywords and clumps (1985) 0.00
    0.0014707105 = product of:
      0.005882842 = sum of:
        0.005882842 = product of:
          0.017648526 = sum of:
            0.017648526 = weight(_text_:k in 3645) [ClassicSimilarity], result of:
              0.017648526 = score(doc=3645,freq=2.0), product of:
                0.12784806 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.03581401 = queryNorm
                0.13804297 = fieldWeight in 3645, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.02734375 = fieldNorm(doc=3645)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)