Search (4 results, page 1 of 1)

  • × year_i:[2000 TO 2010}
  • × author_ss:"Leydesdorff, L."
  1. Leydesdorff, L.: ¬The construction and globalization of the knowledge base in inter-human communication systems (2003) 0.01 
    0.009265927 = product of:
  0.018531853 = sum of:
    0.018531853 = product of:
      0.037063707 = sum of:
        0.037063707 = weight(_text_:22 in 1621) [ClassicSimilarity], result of:
          0.037063707 = score(doc=1621,freq=2.0), product of:
            0.15966053 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045593463 = queryNorm
            0.23214069 = fieldWeight in 1621, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=1621)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    22. 5.2003 19:48:04
  2. Leydesdorff, L.: Can networks of journal-journal citations be used as indicators of change in the social sciences? (2003) 0.01 
    0.009265927 = product of:
  0.018531853 = sum of:
    0.018531853 = product of:
      0.037063707 = sum of:
        0.037063707 = weight(_text_:22 in 4460) [ClassicSimilarity], result of:
          0.037063707 = score(doc=4460,freq=2.0), product of:
            0.15966053 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045593463 = queryNorm
            0.23214069 = fieldWeight in 4460, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=4460)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    6.11.2005 19:02:22
  3. Leydesdorff, L.; Sun, Y.: National and international dimensions of the Triple Helix in Japan : university-industry-government versus international coauthorship relations (2009) 0.01 
    0.009265927 = product of:
  0.018531853 = sum of:
    0.018531853 = product of:
      0.037063707 = sum of:
        0.037063707 = weight(_text_:22 in 2761) [ClassicSimilarity], result of:
          0.037063707 = score(doc=2761,freq=2.0), product of:
            0.15966053 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045593463 = queryNorm
            0.23214069 = fieldWeight in 2761, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=2761)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    22. 3.2009 19:07:20
  4. Egghe, L.; Leydesdorff, L.: ¬The relation between Pearson's correlation coefficient r and Salton's cosine measure (2009) 0.01 
    0.0082798535 = product of:
  0.016559707 = sum of:
    0.016559707 = product of:
      0.033119414 = sum of:
        0.033119414 = weight(_text_:r in 2803) [ClassicSimilarity], result of:
          0.033119414 = score(doc=2803,freq=2.0), product of:
            0.15092614 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.045593463 = queryNorm
            0.2194412 = fieldWeight in 2803, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.046875 = fieldNorm(doc=2803)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors