Search (4 results, page 1 of 1)

  • × theme_ss:"Informetrie"
  1. Leydesdorff, L.; Rotolo, D.; Rafols, I.: Bibliometric perspectives on medical innovation using the medical subject headings of PubMed (2012) 9.06
    9.05783 = weight(object_ss:PubMed in 494) [ClassicSimilarity], result of:
      9.05783 = fieldWeight in 494, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        9.05783 = idf(docFreq=13, maxDocs=44218)
        1.0 = fieldNorm(doc=494)
    
    Object
    PubMed
  2. Song, M.; Kim, S.Y.; Zhang, G.; Ding, Y.; Chambers, T.: Productivity and influence in bioinformatics : a bibliometric analysis using PubMed central (2014) 9.06
    9.05783 = weight(object_ss:PubMed in 1202) [ClassicSimilarity], result of:
      9.05783 = fieldWeight in 1202, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        9.05783 = idf(docFreq=13, maxDocs=44218)
        1.0 = fieldNorm(doc=1202)
    
    Object
    PubMed
  3. Rotolo, D.; Leydesdorff, L.: Matching Medline/PubMed data with Web of Science: A routine in R language (2015) 9.06
    9.05783 = weight(object_ss:PubMed in 2224) [ClassicSimilarity], result of:
      9.05783 = fieldWeight in 2224, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        9.05783 = idf(docFreq=13, maxDocs=44218)
        1.0 = fieldNorm(doc=2224)
    
    Object
    PubMed
  4. Schmidt, M.: ¬An analysis of the validity of retraction annotation in pubmed and the web of science (2018) 9.06
    9.05783 = weight(object_ss:PubMed in 4044) [ClassicSimilarity], result of:
      9.05783 = fieldWeight in 4044, product of:
        1.0 = tf(freq=1.0), with freq of:
          1.0 = termFreq=1.0
        9.05783 = idf(docFreq=13, maxDocs=44218)
        1.0 = fieldNorm(doc=4044)
    
    Object
    PubMed