GAIDeT: a practical taxonomy for declaring AI use in research and publishing

Transparency of AI use in academia matters for authors, editors, reviewers, readers and repository moderators. This blog post introduces GAIDeT, a taxonomy for the structured disclosure of Generative AI (GAI) use in research and how it builds trust without adding any extra burden to stakeholders.

Serhii Nazarovets, Natalia Tsybuliak, Jaime A. Teixeira da Silva and Yana Suchikova • August 25, 2025

Academic publishing – stuck in a prisoner’s dilemma?

Facing pressures to stay competitive, researchers publish ever more, often at the cost of quality. Our author shows how this strategic trap can be compared to a prisoner’s dilemma, explains how this situation is exacerbated by predatory journals, and outlines possible solutions.

Sagartirtha Chakraborty • August 14, 2025 • 5 comments

Making bibliometric reporting more transparent and consistent: Participants needed for pilot testing of GLOBAL

The team behind the GLOBAL reporting guideline invites researchers who are preparing or reviewing a bibliometric article to take part in a pilot test of the guideline.

Jeremy Y. Ng, Dimity Stephen, David Moher, Ludo Waltman and Stefanie Haustein • August 12, 2025

Analysing research funding flows in the Global South

In a context marked by deep asymmetries in access to research resources, the research project “Tracking Research Funding Flows in the Global South” aims to make visible and analyze the ways in which international funding for science circulates.

Matías Alcántara, Mariángela Nápoli, Judith Naidorf, Rodrigo Costas and Ismael Rafols • July 22, 2025

Beyond the dissertation: Reshaping PhD trajectories at Leiden University

Open Science and the reform of research assessment are increasingly growing together. Time to also rethink the evaluation of PhD candidates! Talking to six PhD candidates, the authors found that PhD paths need to be more flexible and recognise the diverse activities PhD researchers are active in.

Tanya Lee and Ana Parrón Cabañero • May 27, 2025 • 1 comment

The state of preprinting in Europe and the Netherlands

To accelerate the sharing of scientific knowledge, researchers in many disciplines increasingly publish their work on preprint servers. In this post, Ludo Waltman and colleagues discuss the state of preprinting in Europe and the Netherlands.

Ludo Waltman, Narmin Rzayeva and Stephen Pinfield • May 22, 2025

Setting the course: our first two years in the focal area Evaluation & Culture

The Evaluation and Culture focal area at CWTS is dedicated to studying, discussing, and advocating for renewed forms of scholarly communication, fair research evaluation, and inclusive research cultures. This blog post offers a reflection on our activities and progress over the past two years.

Evaluation & Culture • May 15, 2025

The contested field of Open Science: a debate through the lens of inclusion

Most implementations of Open Science do not fulfil the expectations that Open Science will lead to more equity and improve the societal impact of research. We discuss these worrying trends through the lens of inclusion.

Fernanda Beigel and Ismael Rafols • May 08, 2025

Advancing our Understanding of Systematic Manipulation & Paper Mills: Wiley & CWTS Partnership

The Centre for Science and Technology Studies at Leiden University, in collaboration with the publishing company Wiley, is opening a new position for a PhD candidate to carry out research on paper mills and related forms of systematic manipulation in publishing.

Wolfgang Kaltenbrunner, Catriona J Maccallum, Stephen Pinfield, Mike Streeter and Ludo Waltman • April 15, 2025