Search (6 results, page 1 of 1)

  • × language_ss:"sp"
  1. Ruiz-Baños, R.; Bailón-Moreno, R.: Metodos para medir experimentalmente el envejecimiento de la literatura cientific (1997) 0.05 
    0.04987109 = product of:
  0.19948436 = sum of:
    0.19948436 = weight(_text_:half in 836) [ClassicSimilarity], result of:
      0.19948436 = score(doc=836,freq=2.0), product of:
        0.412095 = queryWeight, product of:
          6.25905 = idf(docFreq=230, maxDocs=44421)
          0.065839864 = queryNorm
        0.4840737 = fieldWeight in 836, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          6.25905 = idf(docFreq=230, maxDocs=44421)
          0.0546875 = fieldNorm(doc=836)
  0.25 = coord(1/4)
    Abstract
    Presentation of Brooke's law for measuring the ageing of scientific literature was first introduced in 1970. Analyses 5 methods of statistical analysis based on this mathematical model: maximum citation, half-life, Griffiths' method, Brookes' graphical analysis and linear regression. Compares results from practical examples using each method, showing Griffiths to be imprecise and unstable, while the others produce similar results. Potential sources of error (size of sample and of age interval) can be readily controlled. An annotated bibliography is appended
  2. Alonso, M.A.L.: ¬La gestion automatizada de Tesauros : estado de la cuestion (1998) 0.01 
    0.0107349185 = product of:
  0.042939674 = sum of:
    0.042939674 = weight(_text_:und in 2386) [ClassicSimilarity], result of:
      0.042939674 = score(doc=2386,freq=2.0), product of:
        0.14602618 = queryWeight, product of:
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.065839864 = queryNorm
        0.29405463 = fieldWeight in 2386, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.09375 = fieldNorm(doc=2386)
  0.25 = coord(1/4)
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  3. Urdiciain, B.G.: Evaluacion del rendimiento de tesauros Espanoles en sistemas de recuperacion de informacion (1998) 0.01 
    0.008945766 = product of:
  0.035783064 = sum of:
    0.035783064 = weight(_text_:und in 1321) [ClassicSimilarity], result of:
      0.035783064 = score(doc=1321,freq=2.0), product of:
        0.14602618 = queryWeight, product of:
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.065839864 = queryNorm
        0.24504554 = fieldWeight in 1321, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.078125 = fieldNorm(doc=1321)
  0.25 = coord(1/4)
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  4. Velasco, M.: Algoritmo de filtrado multitermino para la obtencion de relaciones jerarquicas en la construction automatica de un tesauro de descriptores (1999) 0.01 
    0.008945766 = product of:
  0.035783064 = sum of:
    0.035783064 = weight(_text_:und in 1348) [ClassicSimilarity], result of:
      0.035783064 = score(doc=1348,freq=2.0), product of:
        0.14602618 = queryWeight, product of:
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.065839864 = queryNorm
        0.24504554 = fieldWeight in 1348, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.078125 = fieldNorm(doc=1348)
  0.25 = coord(1/4)
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  5. Pastor, J.A.; Saorin, T.: ¬Un interfaz hipertexto para un sistema de gestion de tesauros (1996) 0.01 
    0.006262036 = product of:
  0.025048144 = sum of:
    0.025048144 = weight(_text_:und in 1379) [ClassicSimilarity], result of:
      0.025048144 = score(doc=1379,freq=2.0), product of:
        0.14602618 = queryWeight, product of:
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.065839864 = queryNorm
        0.17153187 = fieldWeight in 1379, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.0546875 = fieldNorm(doc=1379)
  0.25 = coord(1/4)
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  6. Alonso, M.A.L.: ¬Un tesauro conceptual para la recuperacion de la informacion juridica comercial (1998) 0.01 
    0.006262036 = product of:
  0.025048144 = sum of:
    0.025048144 = weight(_text_:und in 4447) [ClassicSimilarity], result of:
      0.025048144 = score(doc=4447,freq=2.0), product of:
        0.14602618 = queryWeight, product of:
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.065839864 = queryNorm
        0.17153187 = fieldWeight in 4447, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.217899 = idf(docFreq=13141, maxDocs=44421)
          0.0546875 = fieldNorm(doc=4447)
  0.25 = coord(1/4)
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus

Authors

Themes