5 citations · 8 across the 5 of their papers we have counts for
10 papers · 1 filter
F1000 recommendations as a new data source for research evaluation: A comparison with citations
Ludo Waltman, Rodrigo Costas
F1000 is a post-publication peer review service for biological and medical research. F1000 aims to recommend important publications in the biomedical literature, and from this pers…
A systematic empirical comparison of different approaches for normalizing citation impact indicators
Ludo Waltman, Nees Jan van Eck
We address the question how citation-based bibliometric indicators can best be normalized to ensure fair comparisons between publications from different scientific fields and diffe…
Counting publications and citations: Is more always better?
Ludo Waltman, Nees Jan van Eck, Paul Wouters
Is more always better? We address this question in the context of bibliometric indices that aim to assess the scientific impact of individual researchers by counting their number o…
Source normalized indicators of citation impact: An overview of different approaches and an empirical comparison
Ludo Waltman, Nees Jan van Eck
Different scientific fields have different citation practices. Citation-based bibliometric indicators need to normalize for such differences between fields in order to allow for me…
Some modifications to the SNIP journal impact indicator
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen +1
The SNIP (source normalized impact per paper) indicator is an indicator of the citation impact of scientific journals. The indicator, introduced by Henk Moed in 2010, is included i…
Towards a new crown indicator: An empirical analysis
Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen +2
We present an empirical comparison between two normalization mechanisms for citation-based indicators of research performance. These mechanisms aim to normalize citation counts for…