

In 2022, we published a dataset of Scholars on Twitter. This blog post introduces an update to this dataset and discusses some of the challenges with our data providers: Twitter, Crossref, and OpenAlex. These challenges made the original dataset and process obsolete and this update necessary.
Philippe Mongeon, Timothy D. Bowman, Rodrigo Costas and Wenceslao Arroyo-Machado •
The Barcelona Declaration on Open Research Information highlights that research information systems should not only be open but also diverse and inclusive. We argue that this can only be achieved by interlinking various and decentralised research information sources.
Dominique Babini, Arianna Becerril Garcia, Rodrigo Costas, Lautaro Matas, Ismael Rafols and Laura Rovelli •
In a new research project, we explore the interaction between misinformation and science on social media during COVID-19. This is part of the new research line on the role of science in societal debates of our Focal Area Engagement & Inclusion.
Vincent Traag, Judit Varga, Rodrigo Costas, Carole de Bordes and Tim Willemse •
The presence of science on Wikipedia is a recurrent research topic in the scientometric community. However, its full potential for the study of science-society relations has not yet been fully explored. These are some of the key facts to be considered when studying it.
Wenceslao Arroyo-Machado and Rodrigo Costas •
With many former Twitter users looking for alternatives, the decentralised Mastodon platform is on the rise. But decentralisation alone is not enough: institutions should take responsibility and host their own Mastodon server.
Vincent Traag, Jonathan Dudek, Eleonora Dagiene, Nees Jan van Eck and Rodrigo Costas • • 4 comments
CWTS is starting a new UNESCO Chair on Diversity and Inclusion in Global Science. In this blog post we outline why this topic matters and how our team aims to contribute to UNESCO's agenda of making science a positive force for development.
Ismael Rafols, Ingeborg Meijer and Rodrigo Costas • • 1 comment
What does responsible research evaluation look like when it comes to societal value? This blog post provides four practical recommendations.
Laurens Hessels, Leonie van Drooge, Tjitske Holtrop and Rodrigo Costas •
The closing and opening of schools during the COVID-19 pandemic caused much debate. How was scientific evidence used in the ensuing public discussion? Our authors searched for evidence in the news and on Twitter and looked at three countries in particular: the Netherlands, Spain, and South Africa.
Jonathan Dudek, François van Schalkwyk, Rodrigo Costas, Daniel Torres-Salinas, Nicolás Robinson-García and Tina Nane •