Search (1 results, page 1 of 1)

  • × type_ss:"?"
  • × year_i:[1950 TO 1960}
  1. Luhn, H.P.: Keyword-in-context index for technical literature : KWIC index (1959) 0.00
    0.0011881596 = product of:
      0.0106934365 = sum of:
        0.0106934365 = weight(_text_:of in 1780) [ClassicSimilarity], result of:
          0.0106934365 = score(doc=1780,freq=2.0), product of:
            0.05157766 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.03298316 = queryNorm
            0.20732689 = fieldWeight in 1780, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.09375 = fieldNorm(doc=1780)
      0.11111111 = coord(1/9)
    
    Footnote
    Reprinted in: Theory of subject analysis: a sourcebook. Ed. by. L.M. Chan et al. Littleton, CO: Libraries Unlimited 1985, S.170-180