The issue of duplicate publications has received a lot of attention in the medical literature, but much less in the information science community. This paper aims at analyzing the prevalence and scientific impact of duplicate ...

Using the population of all university professors (N=13,479) in the province of Quebec (Canada), this paper analyses the concentration of funding, papers and citations at the level of individual researchers. It shows ...

Previous research on university-industry collaboration in Canada concluded, using mean impact factors as a proxy, that the scientific impact of such research is not inferior to that of university research. Using ...

Background: Articles whose authors have supplemented subscription-based access to the publisher’s version by selfarchiving their own final draft to make it accessible free for all on the web (‘‘Open Access’’, OA) are cited ...

This paper examines the proximity of authors to those they cite using degrees of separation in a co-author network, essentially using collaboration networks to expand on the notion of self-citations. While the proportion ...

The average age at which U.S. researchers receive their first grant from NIH has increased from 34.3 in 1970, to 41.7 in 2004. These data raise the crucial question of the effects of aging on the scientific productivity ...

Previous research indicates that during the past 20years, the highest-quality work has been published in anincreasingly diverse and larger group of journals. In thisarticle, we examine whether this diversification has ...

Historically, papers have been physically bound to the journal in which they were published but in the electronic age papers are available individually, no longer tied to their respective journals. Hence, papers now can ...

This paper analyses the effects of publication language on international scientific visibility of Russia using the Web of Science. Like other developing and transition countries, it is subject to a growing pressure ...

This paper provides the first historical analysis of the relationship between collaboration and scientific impact, using three indicators of collaboration (number of authors, number of addresses, and number of countries) ...