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) 0.01
    0.012553803 = product of:
      0.018830704 = sum of:
        0.0041945297 = weight(_text_:s in 1197) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=1197,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
        0.014636174 = product of:
          0.04390852 = sum of:
            0.04390852 = weight(_text_:29 in 1197) [ClassicSimilarity], result of:
              0.04390852 = score(doc=1197,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.31092256 = fieldWeight in 1197, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1197)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Date
    29. 1.2014 16:31:35
    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
    0.0012234044 = product of:
      0.0036702133 = sum of:
        0.0036702133 = weight(_text_:s in 2723) [ClassicSimilarity], result of:
          0.0036702133 = score(doc=2723,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
      0.33333334 = coord(1/3)
    
    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
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 1764) [ClassicSimilarity], result of:
          0.003145897 = score(doc=1764,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
      0.33333334 = coord(1/3)
    
    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
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 3334) [ClassicSimilarity], result of:
          0.002621581 = score(doc=3334,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 61(2010) no.2, S.340-351