Clara Calero-Medina is Senior researcher at Centre for Science and Technology Studies (CWTS) and Coordinator of contract research projects at Centre for Science and Technology Studies (CWTS)

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Blogs

Indicadores responsables y posiciones en rankings. ¿Qué significa una posición en el Leiden Ranking? [Spanish blog post]

El Leiden Ranking de Universidades 2023 ha sido publicado. En este post, explicamos lo que los indicadores del ranking dicen y lo que no dicen.

Andrea Reyes Elizondo and Clara Calero-Medina • June 27, 2023

The CWTS Leiden Ranking 2023

Today CWTS releases the 2023 edition of the CWTS Leiden Ranking. In this post, the Leiden Ranking team provides an update on ongoing developments related to the ranking.

Nees Jan van Eck, Ludo Waltman, Zeynep Anli, Clara Calero-Medina, Dan Gibson, Mark Neijssel, Andrea Reyes Elizondo, Martijn Visser, Henri de Winter and Alfredo Yegros • June 21, 2023

Acknowledging the Difficulties: A Case Study of a Funding Text

Research on funding acknowledgments is in ascendance, with more data available and more studies done. Yet, there are specific challenges in accurately capturing this type of data. This blog post looks at a single publication's acknowledgment section in order to discuss several of these challenges.

Dan Gibson, Jeroen van Honk and Clara Calero-Medina • December 01, 2022

To Count or not to Count: How to Deal with Funding Acknowledgements

In this blog post we examine academic funding acknowledgements (FAs), and compare our FA database with that of Dimensions. Using a case study, we explore how FAs work, who they are for, and how we can improve FA practices.

Tobias Nosten, Clara Calero-Medina and Jeroen van Honk • December 15, 2021

A-TEAM: A stands for a very challenging job

As the A-TEAM, we thoroughly evaluate the data we collect, and aim to provide a consistent and transparent curation. What we do could also be described as that of a detective/archeologist/archivist: through bits and pieces of data we seek to unravel the scientific landscape.

Zeynep Anli, Clara Calero-Medina and Andrea Reyes Elizondo • July 09, 2020

The CWTS Leiden Ranking 2020

At CWTS, we have just released a new edition of our Leiden Ranking. In this post, the core members of the Leiden Ranking team provide a quick update and illustrate some of the insights provided by the ranking.

Ludo Waltman, Zeynep Anli, Clara Calero-Medina, Mark Neijssel, Andrea Reyes Elizondo, Nees Jan van Eck and Martijn Visser • July 08, 2020