Search (3 results, page 1 of 1)

  • × author_ss:"Austin, D."
  • × year_i:[1970 TO 1980}
  1. Austin, D.: Differences between library classifications and machine-based subject retrieval systems : some inferences drawn from research in Britain, 1963-1973 (1979) 0.01
    0.005721087 = product of:
      0.04004761 = sum of:
        0.010089659 = weight(_text_:information in 2564) [ClassicSimilarity], result of:
          0.010089659 = score(doc=2564,freq=2.0), product of:
            0.052020688 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.029633347 = queryNorm
            0.19395474 = fieldWeight in 2564, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.078125 = fieldNorm(doc=2564)
        0.029957948 = weight(_text_:retrieval in 2564) [ClassicSimilarity], result of:
          0.029957948 = score(doc=2564,freq=2.0), product of:
            0.08963835 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.029633347 = queryNorm
            0.33420905 = fieldWeight in 2564, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.078125 = fieldNorm(doc=2564)
      0.14285715 = coord(2/14)
    
    Source
    Ordering systems for global information networks. Proc. of the 3rd Int. Study Conf. on Classification Research, Bombay 1975. Ed. by A. Neelameghan
  2. Austin, D.: ¬The role of indexing in subject retrieval (1976) 0.00
    0.0025678244 = product of:
      0.03594954 = sum of:
        0.03594954 = weight(_text_:retrieval in 1574) [ClassicSimilarity], result of:
          0.03594954 = score(doc=1574,freq=2.0), product of:
            0.08963835 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.029633347 = queryNorm
            0.40105087 = fieldWeight in 1574, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.09375 = fieldNorm(doc=1574)
      0.071428575 = coord(1/14)
    
  3. Austin, D.: ¬The exchange of subject information (1975) 0.00
    0.0014268934 = product of:
      0.019976506 = sum of:
        0.019976506 = weight(_text_:information in 3176) [ClassicSimilarity], result of:
          0.019976506 = score(doc=3176,freq=4.0), product of:
            0.052020688 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.029633347 = queryNorm
            0.3840108 = fieldWeight in 3176, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.109375 = fieldNorm(doc=3176)
      0.071428575 = coord(1/14)
    
    Source
    The interchange of bibliographic information in machine readable form. Ed.: R.E. Coward u. M. Yelland