246 citations · 467 across the 32 of their papers we have counts for
4 papers · 2 filters
The relative influences of government funding and international collaboration on citation impact
Loet Leydesdorff, Lutz Bornmann, Caroline S. Wagner
In a recent publication in Nature, Wagner & Jonkers (2017) report that public R&D funding is only weakly correlated with the citation impact of a nation's papers as measured by the…
Synergy in the Knowledge Base of U.S. Innovation Systems at National, State, and Regional Levels: The Contributions of High-Tech Manufacturing and Knowledge-Intensive Services
Loet Leydesdorff, Caroline S. Wagner, Igone Porto-Gomez +2
Using information theory, we measure innovation systemness as synergy among size-classes, zip-codes, and technological classes (NACE-codes) for 8.5 million American companies. The…
The geography of references in elite articles: What countries contribute to the archives of knowledge
Lutz Bornmann, Caroline Wagner, Loet Leydesdorff
This study is intended to find an answer for the question on which national "shoulders" the worldwide top-level research stands. Traditionally, national scientific standings are ev…
Betweenness and Diversity in Journal Citation Networks as Measures of Interdisciplinarity -- A Tribute to Eugene Garfield --
Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann
Journals were central to Eugene Garfield's research interests. Among other things, journals are considered as units of analysis for bibliographic databases such as the Web of Scien…