Search (6 results, page 1 of 1)

  • × year_i:[1980 TO 1990}
  • × theme_ss:"Literaturübersicht"
  1. Hjerppe, R.: ¬An outline of bibliometrics and citation analysis (1980) 0.03 
    0.031225283 = product of:
  0.062450565 = sum of:
    0.062450565 = product of:
      0.12490113 = sum of:
        0.12490113 = weight(_text_:r in 1115) [ClassicSimilarity], result of:
          0.12490113 = score(doc=1115,freq=4.0), product of:
            0.15092614 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.045593463 = queryNorm
            0.8275646 = fieldWeight in 1115, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.125 = fieldNorm(doc=1115)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Type
    r
  2. Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987) 0.02 
    0.024709139 = product of:
  0.049418278 = sum of:
    0.049418278 = product of:
      0.098836556 = sum of:
        0.098836556 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
          0.098836556 = score(doc=334,freq=2.0), product of:
            0.15966053 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045593463 = queryNorm
            0.61904186 = fieldWeight in 334, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=334)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Annual review of information science and technology. 22(1987), S.109-145
  3. Smith, L.C.: Artificial intelligence and information retrieval (1987) 0.02 
    0.024709139 = product of:
  0.049418278 = sum of:
    0.049418278 = product of:
      0.098836556 = sum of:
        0.098836556 = weight(_text_:22 in 335) [ClassicSimilarity], result of:
          0.098836556 = score(doc=335,freq=2.0), product of:
            0.15966053 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045593463 = queryNorm
            0.61904186 = fieldWeight in 335, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=335)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Annual review of information science and technology. 22(1987), S.41-77
  4. Warner, A.J.: Natural language processing (1987) 0.02 
    0.024709139 = product of:
  0.049418278 = sum of:
    0.049418278 = product of:
      0.098836556 = sum of:
        0.098836556 = weight(_text_:22 in 337) [ClassicSimilarity], result of:
          0.098836556 = score(doc=337,freq=2.0), product of:
            0.15966053 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045593463 = queryNorm
            0.61904186 = fieldWeight in 337, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=337)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Annual review of information science and technology. 22(1987), S.79-108
  5. Travis, I.L.; Fidel, R.: Subject analysis (1982) 0.02 
    0.02207961 = product of:
  0.04415922 = sum of:
    0.04415922 = product of:
      0.08831844 = sum of:
        0.08831844 = weight(_text_:r in 317) [ClassicSimilarity], result of:
          0.08831844 = score(doc=317,freq=2.0), product of:
            0.15092614 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.045593463 = queryNorm
            0.5851765 = fieldWeight in 317, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.125 = fieldNorm(doc=317)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  6. Dale, D.C.; Wilson, B.-R.: ¬A survey of the literature on subject analysis for 1984-1985 (1986) 0.02 
    0.02207961 = product of:
  0.04415922 = sum of:
    0.04415922 = product of:
      0.08831844 = sum of:
        0.08831844 = weight(_text_:r in 1443) [ClassicSimilarity], result of:
          0.08831844 = score(doc=1443,freq=2.0), product of:
            0.15092614 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.045593463 = queryNorm
            0.5851765 = fieldWeight in 1443, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.125 = fieldNorm(doc=1443)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Types

Themes