Search (5 results, page 1 of 1)

  • × theme_ss:"Automatisches Indexieren"
  • × year_i:[1970 TO 1980}
  1. Sparck Jones, K.: Automatic keyword classification for information retrieval (1971) 0.02
    0.02122296 = product of:
      0.04244592 = sum of:
        0.04244592 = product of:
          0.12733775 = sum of:
            0.12733775 = weight(_text_:k in 5176) [ClassicSimilarity], result of:
              0.12733775 = score(doc=5176,freq=2.0), product of:
                0.16142878 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.045220956 = 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(1/3)
      0.5 = coord(1/2)
    
  2. Sparck Jones, K.; Jackson, D.M.: ¬The use of automatically obtained keyword classification for information retrieval (1970) 0.02
    0.016978368 = product of:
      0.033956736 = sum of:
        0.033956736 = product of:
          0.10187021 = sum of:
            0.10187021 = weight(_text_:k in 5177) [ClassicSimilarity], result of:
              0.10187021 = score(doc=5177,freq=2.0), product of:
                0.16142878 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.045220956 = 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(1/3)
      0.5 = coord(1/2)
    
  3. Sparck Jones, K.: Index term weighting (1973) 0.02
    0.016978368 = product of:
      0.033956736 = sum of:
        0.033956736 = product of:
          0.10187021 = sum of:
            0.10187021 = weight(_text_:k in 5491) [ClassicSimilarity], result of:
              0.10187021 = score(doc=5491,freq=2.0), product of:
                0.16142878 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.045220956 = 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(1/3)
      0.5 = coord(1/2)
    
  4. Salton, G.; Wong, A.; Yang, C.S.: ¬A vector space model for automatic indexing (1975) 0.01
    0.01061148 = product of:
      0.02122296 = sum of:
        0.02122296 = product of:
          0.06366888 = sum of:
            0.06366888 = weight(_text_:k in 1934) [ClassicSimilarity], result of:
              0.06366888 = score(doc=1934,freq=2.0), product of:
                0.16142878 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.045220956 = queryNorm
                0.39440846 = fieldWeight in 1934, 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=1934)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.273-280.
  5. Hafer, M.A.; Weiss, S.F.: Word segmentation by letter successor varieties (1974) 0.00
    0.0035979224 = product of:
      0.007195845 = sum of:
        0.007195845 = product of:
          0.021587534 = sum of:
            0.021587534 = weight(_text_:h in 4997) [ClassicSimilarity], result of:
              0.021587534 = score(doc=4997,freq=2.0), product of:
                0.11234917 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.045220956 = queryNorm
                0.19214681 = fieldWeight in 4997, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4997)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information storage and retrieval. 10(1974) H.11/12, S.371-385

Types