Search (5 results, page 1 of 1)

  • × author_ss:"Gingras, Y."
  • × theme_ss:"Informetrie"
  1. Larivière, V.; Gingras, Y.; Archambault, E.: ¬The decline in the concentration of citations, 1900-2007 (2009) 0.04 
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    Abstract
    This article challenges recent research (Evans, 2008) reporting that the concentration of cited scientific literature increases with the online availability of articles and journals. Using Thomson Reuters' Web of Science, the present article analyses changes in the concentration of citations received (2- and 5-year citation windows) by papers published between 1900 and 2005. Three measures of concentration are used: the percentage of papers that received at least one citation (cited papers); the percentage of papers needed to account for 20%, 50%, and 80% of the citations; and the Herfindahl-Hirschman index (HHI). These measures are used for four broad disciplines: natural sciences and engineering, medical fields, social sciences, and the humanities. All these measures converge and show that, contrary to what was reported by Evans, the dispersion of citations is actually increasing.
    Date
    22. 3.2009 19:22:35
  2. Larivière, V.; Gingras, Y.: ¬The impact factor's Matthew Effect : a natural experiment in bibliometrics (2010) 0.01 
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    Source
    Journal of the American Society for Information Science and Technology. 61(2010) no.2, S.424-427
  3. Larivière, V.; Archambault, V.; Gingras, Y.; Vignola-Gagné, E.: ¬The place of serials in referencing practices : comparing natural sciences and engineering with social sciences and humanities (2006) 0.00 
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    Date
    2. 7.2006 19:07:24
  4. Larivière, V.; Archambault, E.; Gingras, Y.: Long-term variations in the aging of scientific literature : from exponential growth to steady-state science (1900-2004) (2008) 0.00 
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    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.2, S.288-296
  5. Wallace, M.L.; Gingras, Y.; Duhon, R.: ¬A new approach for detecting scientific specialties from raw cocitation networks (2009) 0.00 
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    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.2, S.240-246

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