Search (5 results, page 1 of 1)

  • × theme_ss:"Automatisches Indexieren"
  • × author_ss:"Sparck Jones, K."
  1. Sparck Jones, K.: Automatic keyword classification for information retrieval (1971) 0.04
    0.035938628 = product of:
      0.10781588 = sum of:
        0.01504125 = weight(_text_:e in 5176) [ClassicSimilarity], result of:
          0.01504125 = score(doc=5176,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.31761688 = fieldWeight in 5176, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.15625 = fieldNorm(doc=5176)
        0.09277463 = weight(_text_:k in 5176) [ClassicSimilarity], result of:
          0.09277463 = score(doc=5176,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = queryNorm
            0.7888169 = fieldWeight in 5176, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.15625 = fieldNorm(doc=5176)
      0.33333334 = coord(2/6)
    
    Language
    e
  2. Sparck Jones, K.; Tait, J.I.: Automatic search term variant generation (1984) 0.03
    0.028750902 = product of:
      0.086252704 = sum of:
        0.012033 = weight(_text_:e in 2918) [ClassicSimilarity], result of:
          0.012033 = score(doc=2918,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 2918, 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=2918)
        0.0742197 = weight(_text_:k in 2918) [ClassicSimilarity], result of:
          0.0742197 = score(doc=2918,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = 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(2/6)
    
    Language
    e
  3. Sparck Jones, K.; Jackson, D.M.: ¬The use of automatically obtained keyword classification for information retrieval (1970) 0.03
    0.028750902 = product of:
      0.086252704 = sum of:
        0.012033 = weight(_text_:e in 5177) [ClassicSimilarity], result of:
          0.012033 = score(doc=5177,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 5177, 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=5177)
        0.0742197 = weight(_text_:k in 5177) [ClassicSimilarity], result of:
          0.0742197 = score(doc=5177,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = queryNorm
            0.63105357 = fieldWeight in 5177, 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=5177)
      0.33333334 = coord(2/6)
    
    Language
    e
  4. Sparck Jones, K.: Index term weighting (1973) 0.03
    0.028750902 = product of:
      0.086252704 = sum of:
        0.012033 = weight(_text_:e in 5491) [ClassicSimilarity], result of:
          0.012033 = score(doc=5491,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 5491, 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=5491)
        0.0742197 = weight(_text_:k in 5491) [ClassicSimilarity], result of:
          0.0742197 = score(doc=5491,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = queryNorm
            0.63105357 = fieldWeight in 5491, 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=5491)
      0.33333334 = coord(2/6)
    
    Language
    e
  5. Needham, R.M.; Sparck Jones, K.: Keywords and clumps (1985) 0.01
    0.00628926 = product of:
      0.01886778 = sum of:
        0.0026322186 = weight(_text_:e in 3645) [ClassicSimilarity], result of:
          0.0026322186 = score(doc=3645,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.05558295 = fieldWeight in 3645, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.02734375 = fieldNorm(doc=3645)
        0.01623556 = weight(_text_:k in 3645) [ClassicSimilarity], result of:
          0.01623556 = score(doc=3645,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = 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(2/6)
    
    Language
    e

Types