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 
    0.010104749 = product of:
  0.040418997 = sum of:
    0.040418997 = product of:
      0.121256985 = sum of:
        0.121256985 = weight(_text_:k in 3156) [ClassicSimilarity], result of:
          0.121256985 = score(doc=3156,freq=4.0), product of:
            0.13587062 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.038061365 = 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 
    0.010104749 = product of:
  0.040418997 = sum of:
    0.040418997 = product of:
      0.121256985 = sum of:
        0.121256985 = weight(_text_:k in 3157) [ClassicSimilarity], result of:
          0.121256985 = score(doc=3157,freq=4.0), product of:
            0.13587062 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.038061365 = 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 
    0.0071451366 = product of:
  0.028580546 = sum of:
    0.028580546 = product of:
      0.08574164 = sum of:
        0.08574164 = weight(_text_:k in 2918) [ClassicSimilarity], result of:
          0.08574164 = score(doc=2918,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.038061365 = 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 
    0.0031259973 = product of:
  0.012503989 = sum of:
    0.012503989 = product of:
      0.037511967 = sum of:
        0.037511967 = weight(_text_:k in 817) [ClassicSimilarity], result of:
          0.037511967 = score(doc=817,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.038061365 = 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 
    0.0015629986 = product of:
  0.0062519945 = sum of:
    0.0062519945 = product of:
      0.018755984 = sum of:
        0.018755984 = weight(_text_:k in 3645) [ClassicSimilarity], result of:
          0.018755984 = score(doc=3645,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.038061365 = 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)

Authors

Themes