Search (4 results, page 1 of 1)

  • × author_ss:"Liu, Y."
  • × theme_ss:"Informetrie"
  1. Liu, Y.; Rousseau, R.: Citation analysis and the development of science : a case study using articles by some Nobel prize winners (2014) 0.00 
    0.0013406267 = product of:
  0.0026812535 = sum of:
    0.0026812535 = product of:
      0.005362507 = sum of:
        0.005362507 = weight(_text_:s in 1197) [ClassicSimilarity], result of:
          0.005362507 = score(doc=1197,freq=2.0), product of:
            0.055801827 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.05132441 = queryNorm
            0.09609913 = fieldWeight in 1197, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=1197)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the Association for Information Science and Technology. 65(2014) no.2, S.281-289
  2. Liu, Y.; Rousseau, R.: Towards a representation of diffusion and interaction of scientific ideas : the case of fiber optics communication (2012) 0.00 
    0.0011730484 = product of:
  0.0023460968 = sum of:
    0.0023460968 = product of:
      0.0046921936 = sum of:
        0.0046921936 = weight(_text_:s in 2723) [ClassicSimilarity], result of:
          0.0046921936 = score(doc=2723,freq=2.0), product of:
            0.055801827 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.05132441 = queryNorm
            0.08408674 = fieldWeight in 2723, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2723)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Information processing and management. 48(2012) no.4, S.791-801
  3. Liu, Y.; Rousseau, R.: Interestingness and the essence of citation : Thomas Reid and bibliographic description (2013) 0.00 
    0.00100547 = product of:
  0.00201094 = sum of:
    0.00201094 = product of:
      0.00402188 = sum of:
        0.00402188 = weight(_text_:s in 1764) [ClassicSimilarity], result of:
          0.00402188 = score(doc=1764,freq=2.0), product of:
            0.055801827 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.05132441 = queryNorm
            0.072074346 = fieldWeight in 1764, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=1764)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of documentation. 69(2013) no.4, S.580-589
  4. Liu, Y.; Rousseau, R.: Knowledge diffusion through publications and citations : a case study using ESI-fields as unit of diffusion (2010) 0.00 
    8.3789177E-4 = product of:
  0.0016757835 = sum of:
    0.0016757835 = product of:
      0.003351567 = sum of:
        0.003351567 = weight(_text_:s in 3334) [ClassicSimilarity], result of:
          0.003351567 = score(doc=3334,freq=2.0), product of:
            0.055801827 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.05132441 = queryNorm
            0.060061958 = fieldWeight in 3334, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3334)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science and Technology. 61(2010) no.2, S.340-351