Search (2 results, page 1 of 1)

  • × year_i:[1960 TO 1970}
  • × author_ss:"Luhn, H.P."
  1. Luhn, H.P.: Keyword-in-context index for technical literature (1960) 0.07 
    0.068482734 = product of:
  0.13696547 = sum of:
    0.13696547 = product of:
      0.27393094 = sum of:
        0.27393094 = weight(_text_:h.p in 4997) [ClassicSimilarity], result of:
          0.27393094 = score(doc=4997,freq=2.0), product of:
            0.262605 = queryWeight, product of:
              5.9008293 = idf(docFreq=328, maxDocs=44218)
              0.04450307 = queryNorm
            1.0431291 = fieldWeight in 4997, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.9008293 = idf(docFreq=328, maxDocs=44218)
              0.125 = fieldNorm(doc=4997)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  2. Luhn, H.P.: ¬The automatic derivation of information retrieval encodements from machine-readable texts (1961) 0.04 
    0.042801708 = product of:
  0.085603416 = sum of:
    0.085603416 = product of:
      0.17120683 = sum of:
        0.17120683 = weight(_text_:h.p in 1926) [ClassicSimilarity], result of:
          0.17120683 = score(doc=1926,freq=2.0), product of:
            0.262605 = queryWeight, product of:
              5.9008293 = idf(docFreq=328, maxDocs=44218)
              0.04450307 = queryNorm
            0.65195566 = fieldWeight in 1926, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.9008293 = idf(docFreq=328, maxDocs=44218)
              0.078125 = fieldNorm(doc=1926)
      0.5 = coord(1/2)
  0.5 = coord(1/2)