Search (6 results, page 1 of 1)

  • × theme_ss:"Automatisches Indexieren"
  • × type_ss:"a"
  • × year_i:[1970 TO 1980}
  1. Sparck Jones, K.: Index term weighting (1973) 0.03
    0.028704265 = product of:
      0.14352132 = sum of:
        0.14352132 = weight(_text_:index in 5491) [ClassicSimilarity], result of:
          0.14352132 = score(doc=5491,freq=2.0), product of:
            0.18579477 = queryWeight, product of:
              4.369764 = idf(docFreq=1520, maxDocs=44218)
              0.04251826 = queryNorm
            0.7724724 = fieldWeight in 5491, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.369764 = idf(docFreq=1520, maxDocs=44218)
              0.125 = fieldNorm(doc=5491)
      0.2 = coord(1/5)
    
  2. Dattola, R.T.: FIRST: Flexible information retrieval system for text (1979) 0.01
    0.01491174 = product of:
      0.0745587 = sum of:
        0.0745587 = weight(_text_:system in 5172) [ClassicSimilarity], result of:
          0.0745587 = score(doc=5172,freq=2.0), product of:
            0.13391352 = queryWeight, product of:
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.04251826 = queryNorm
            0.5567675 = fieldWeight in 5172, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.125 = fieldNorm(doc=5172)
      0.2 = coord(1/5)
    
  3. Kuhlen, R.: Morphologische Relationen durch Reduktionsalgorithmen (1974) 0.01
    0.007672675 = product of:
      0.038363375 = sum of:
        0.038363375 = product of:
          0.11509012 = sum of:
            0.11509012 = weight(_text_:29 in 4251) [ClassicSimilarity], result of:
              0.11509012 = score(doc=4251,freq=4.0), product of:
                0.14956595 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04251826 = queryNorm
                0.7694941 = fieldWeight in 4251, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.109375 = fieldNorm(doc=4251)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Date
    29. 1.2011 14:56:29
  4. Hafer, M.A.; Weiss, S.F.: Word segmentation by letter successor varieties (1974) 0.01
    0.006523886 = product of:
      0.03261943 = sum of:
        0.03261943 = weight(_text_:system in 4997) [ClassicSimilarity], result of:
          0.03261943 = score(doc=4997,freq=2.0), product of:
            0.13391352 = queryWeight, product of:
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.04251826 = queryNorm
            0.2435858 = fieldWeight in 4997, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1495528 = idf(docFreq=5152, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4997)
      0.2 = coord(1/5)
    
    Abstract
    This paper describes a method for automatically segmenting words into their stems and affixes. The process uses certain statistical properties of corpus (successor and predecessor letter variety counts) to indicate where words should be divided. Consequently, this process is less reliant on human intervention than are other methods for automated stemming. The segmentation system is used to construct stem dictionariesfor documnet classification. Information retrieval experiments are then performed using documents and queries so classified. Results show not only that this method is capable of high quality word segmentation, but also that its use in information retrieval produce results that are at least as good as thosse obtained using the more traditional stemming process.
  5. Panyr, J.: STEINADLER: ein Verfahren zur automatischen Deskribierung und zur automatischen thematischen Klassifikation (1978) 0.01
    0.0062004575 = product of:
      0.031002287 = sum of:
        0.031002287 = product of:
          0.09300686 = sum of:
            0.09300686 = weight(_text_:29 in 5169) [ClassicSimilarity], result of:
              0.09300686 = score(doc=5169,freq=2.0), product of:
                0.14956595 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04251826 = queryNorm
                0.6218451 = fieldWeight in 5169, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.125 = fieldNorm(doc=5169)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Source
    Nachrichten für Dokumentation. 29(1978), S.92-96
  6. Salton, G.; Yang, C.S.: On the specification of term values in automatic indexing (1973) 0.01
    0.0062004575 = product of:
      0.031002287 = sum of:
        0.031002287 = product of:
          0.09300686 = sum of:
            0.09300686 = weight(_text_:29 in 5476) [ClassicSimilarity], result of:
              0.09300686 = score(doc=5476,freq=2.0), product of:
                0.14956595 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04251826 = queryNorm
                0.6218451 = fieldWeight in 5476, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.125 = fieldNorm(doc=5476)
          0.33333334 = coord(1/3)
      0.2 = coord(1/5)
    
    Source
    Journal of documentation. 29(1973), S.351-372