Search (2 results, page 1 of 1)

  • × author_ss:"Leydesdorff, L."
  • × author_ss:"Zhou, P."
  • × year_i:[2000 TO 2010}
  1. Leydesdorff, L.; Zhou, P.: Co-word analysis using the Chinese character set (2008) 0.01
    0.009025434 = product of:
      0.018050868 = sum of:
        0.018050868 = product of:
          0.054152604 = sum of:
            0.054152604 = weight(_text_:l in 1970) [ClassicSimilarity], result of:
              0.054152604 = score(doc=1970,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.30739886 = fieldWeight in 1970, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1970)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  2. Zhou, P.; Leydesdorff, L.: ¬A comparison between the China Scientific and Technical Papers and Citations Database and the Science Citation Index in terms of journal hierarchies and interjournal citation relations (2007) 0.01
    0.007736086 = product of:
      0.015472172 = sum of:
        0.015472172 = product of:
          0.046416514 = sum of:
            0.046416514 = weight(_text_:l in 70) [ClassicSimilarity], result of:
              0.046416514 = score(doc=70,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.26348472 = fieldWeight in 70, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.046875 = fieldNorm(doc=70)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)