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) 0.05
    0.046468675 = product of:
      0.09293735 = sum of:
        0.007520625 = weight(_text_:e in 1926) [ClassicSimilarity], result of:
          0.007520625 = score(doc=1926,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.15880844 = fieldWeight in 1926, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.078125 = fieldNorm(doc=1926)
        0.039029416 = weight(_text_:u in 1926) [ClassicSimilarity], result of:
          0.039029416 = score(doc=1926,freq=2.0), product of:
            0.107882105 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.03294669 = queryNorm
            0.3617784 = fieldWeight in 1926, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.078125 = fieldNorm(doc=1926)
        0.046387315 = weight(_text_:k in 1926) [ClassicSimilarity], result of:
          0.046387315 = score(doc=1926,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = queryNorm
            0.39440846 = fieldWeight in 1926, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.078125 = fieldNorm(doc=1926)
      0.5 = coord(3/6)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.21-24.
    Language
    e
  2. Luhn, H.P.: Keyword-in-context index for technical literature (1960) 0.00
    0.0020055 = product of:
      0.012033 = sum of:
        0.012033 = weight(_text_:e in 4997) [ClassicSimilarity], result of:
          0.012033 = score(doc=4997,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 4997, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=4997)
      0.16666667 = coord(1/6)
    
    Language
    e