Search (4 results, page 1 of 1)

  • × year_i:[1980 TO 1990}
  • × theme_ss:"Literaturübersicht"
  1. Younger, J.A.: Year's work in subject analysis : 1981 (1982) 0.07
    0.068757124 = product of:
      0.13751425 = sum of:
        0.13751425 = product of:
          0.2750285 = sum of:
            0.2750285 = weight(_text_:j.a in 311) [ClassicSimilarity], result of:
              0.2750285 = score(doc=311,freq=2.0), product of:
                0.26311177 = queryWeight, product of:
                  5.913062 = idf(docFreq=324, maxDocs=44218)
                  0.044496704 = queryNorm
                1.0452915 = fieldWeight in 311, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.913062 = idf(docFreq=324, maxDocs=44218)
                  0.125 = fieldNorm(doc=311)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987) 0.02
    0.024114756 = product of:
      0.04822951 = sum of:
        0.04822951 = product of:
          0.09645902 = sum of:
            0.09645902 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
              0.09645902 = score(doc=334,freq=2.0), product of:
                0.15581988 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044496704 = 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
    0.024114756 = product of:
      0.04822951 = sum of:
        0.04822951 = product of:
          0.09645902 = sum of:
            0.09645902 = weight(_text_:22 in 335) [ClassicSimilarity], result of:
              0.09645902 = score(doc=335,freq=2.0), product of:
                0.15581988 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044496704 = 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
    0.024114756 = product of:
      0.04822951 = sum of:
        0.04822951 = product of:
          0.09645902 = sum of:
            0.09645902 = weight(_text_:22 in 337) [ClassicSimilarity], result of:
              0.09645902 = score(doc=337,freq=2.0), product of:
                0.15581988 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044496704 = 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