Search (2 results, page 1 of 1)

  • × author_ss:"Luhn, H.P."
  • × year_i:[1960 TO 1970}
  1. Luhn, H.P.: ¬The automatic derivation of information retrieval encodements from machine-readable texts (1961) 0.01 
    0.009321972 = product of:
  0.023304928 = sum of:
    0.009632425 = weight(_text_:a in 1926) [ClassicSimilarity], result of:
      0.009632425 = score(doc=1926,freq=4.0), product of:
        0.053464882 = queryWeight, product of:
          1.153047 = idf(docFreq=37942, maxDocs=44218)
          0.046368346 = queryNorm
        0.18016359 = fieldWeight in 1926, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.153047 = idf(docFreq=37942, maxDocs=44218)
          0.078125 = fieldNorm(doc=1926)
    0.013672504 = product of:
      0.027345007 = sum of:
        0.027345007 = weight(_text_:information in 1926) [ClassicSimilarity], result of:
          0.027345007 = score(doc=1926,freq=6.0), product of:
            0.08139861 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046368346 = queryNorm
            0.3359395 = fieldWeight in 1926, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.078125 = fieldNorm(doc=1926)
      0.5 = coord(1/2)
  0.4 = coord(2/5)
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.21-24.
    Source
    Information retrieval and machine translation. Vol.3. Pt.2. Ed. A. Kent
    Type
    a
  2. Luhn, H.P.: Keyword-in-context index for technical literature (1960) 0.00 
    0.0021795689 = product of:
  0.010897844 = sum of:
    0.010897844 = weight(_text_:a in 4997) [ClassicSimilarity], result of:
      0.010897844 = score(doc=4997,freq=2.0), product of:
        0.053464882 = queryWeight, product of:
          1.153047 = idf(docFreq=37942, maxDocs=44218)
          0.046368346 = queryNorm
        0.20383182 = fieldWeight in 4997, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.153047 = idf(docFreq=37942, maxDocs=44218)
          0.125 = fieldNorm(doc=4997)
  0.2 = coord(1/5)
    Type
    a