Group items tagged

Le Web of Science et le JCR n'ont pas les mêmes modalités de calcul de cumul de citations. Les calculs de médianes sur le JCR sont impossibles en raison de la dichotomie des deux produits. On reste bloqué sur des calculs de moyennes parce que le JCR ne permet pas de faire autre chose. Il se contente de mentionner à la marge l'Eigenfactor (sans l'expliquer) et le JIF percentile comme alternatives à ses calculs bruts.

Last Thursday, Elsevier announced CiteScore metrics, a free citation reporting service for the academic community. The primary metric promoted by this service is also aptly named CiteScore and is similar, in many ways, to the Impact Factor. Both CiteScore and the Impact Factor are journal-level indicators built around a ratio of citations to documents.

Essai réalisé par la London School of Economics

Bonne synthèse des éléments critiques afférents à la bibliométrie classique

Is there a name for that sensation that "it seemed like yesterday ... and yet, also, forever ago"? That's how I felt on learning that it's already / only five years since the " altmetrics manifesto" was published. At last week's 2:AM conference in Amsterdam, the authors of that manifesto were brought together in person for the first time.