Search (3 results, page 1 of 1)

  1. Leydesdorff, L.; Opthof, T.: Scopus's source normalized impact per paper (SNIP) versus a journal impact factor based on fractional counting of citations (2010) 10.31
    10.310593 = weight(author_ss:Opthof, T. in 4107) [ClassicSimilarity], result of:
      10.310593 = fieldWeight in 4107, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        10.310593 = idf(docFreq=3, maxDocs=44218)
        1.0 = fieldNorm(doc=4107)
    
    Author
    Opthof, T.
  2. Leydesdorff, L.; Bornmann, L.; Mutz, R.; Opthof, T.: Turning the tables on citation analysis one more time : principles for comparing sets of documents (2011) 10.31
    10.310593 = weight(author_ss:Opthof, T. in 4485) [ClassicSimilarity], result of:
      10.310593 = fieldWeight in 4485, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        10.310593 = idf(docFreq=3, maxDocs=44218)
        1.0 = fieldNorm(doc=4485)
    
    Author
    Opthof, T.
  3. Leydesdorff, L.; Opthof, T.: Citation analysis with medical subject Headings (MeSH) using the Web of Knowledge : a new routine (2013) 10.31
    10.310593 = weight(author_ss:Opthof, T. in 943) [ClassicSimilarity], result of:
      10.310593 = fieldWeight in 943, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        10.310593 = idf(docFreq=3, maxDocs=44218)
        1.0 = fieldNorm(doc=943)
    
    Author
    Opthof, T.