This project develops methods for ensuring the anonymity of individuals in social network data.

Promotor: Prof.dr. H.P. Spaink Co-promotor: Dr. B.E. Snaar

Learn how to conduct policy-oriented research, join one of our field schools and gain relevant working experience.

One of the core missions of CWTS is to contribute to a sustainable science system. Through our services, we do so by providing high-quality support for research evaluation, research management, and science policy.

The aim of this research is to understand the linking of crises for the combination of climate change and the COVID-19 pandemic.

A liveable planet. More biodiversity. And resources which are being managed wisely. At the CML, we want to make an impact with our research and education. On this website you can read what we do to achieve that.

This project addresses the occurrence of political and ideological biased crimes in light of the recent migration influx in European countries.

On the 26th of January, Alex Reuneker successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Alex on this achievement!

Volume I: Excavation and Material Culture

Promotor: A. Doelman, Co-promotor: J.D.M. Rademacher

On Wednesday 25 June 2025 Dechun Zhang successfully defended a doctoral thesis and graduated.

Promotor: H.S. Overkleeft, J. Neefjes, Co-promotor: M. van der Stelt

How sustainable are open data infrastructures? Will the data we need in the future be available and usable? This project takes COVID-19 data/infrastructures as a case to study the sustainability and dynamics of open data infrastructures.

On 12 September 2019, Michiel Rhoen defended his thesis 'Big Data, Big Risks, Big Power Shifts: Evaluating the General Data Protection Regulation as an instrument of risk control and power redistribution in the context of big data'. The doctoral research was supervised by Prof. G.J. Zwenne and Prof.…

How are the narrative concerns of Nigerian female writers constructed in relation to the structure to their society?

Proceedings of the XVII UISPP World Congress (1–7 September, Burgos, Spain). Volume 7/Sessions A4b and A12

The most famous monument of the Dutch Golden Age is undoubtedly the Amsterdam Town Hall by architect Jacob van Campen inaugurated in 1655.

The major and ultimate aim of metabolomics is to obtain an answer to a specific biological or clinical question.

'The Routledge Handbook of Civil and Uncivil Society in Southeast Asia' explores the nature and implications of civil society across the region, engaging systematically with both theoretical approaches and empirical nuance for a systematic, comparative, and informative approach.

On 20 September 2023 Mark van de Water successfully defended a doctoral thesis and graduated.

The Mathematical Institute is one of the eight institutes of the Faculty of Science. The institute operates as a single unit defined by the activities of its members.

This dissertation provides an account of polar questions in Italian dialects from a typological, theoretical and empirical perspective.

The authors delve into the varying degrees to which institutions across different nations connect foreign events to their respective country's domestic affairs.

How do technologies of computer vision, which promise to replace humans in the understanding of images, work in practice in the field of security, and what are their ethical and political implications?

The central research question in this study was twofold: 1. To what extent are the three reconstruction models useful in a reconstruction of the public decision-making process concerning decentralized government between 1947 and 2014? 2. To what extent does the reconstruction of this public decision-making…

The Netherlands X-omics Initiative is a new facility as part of the National Roadmap for Large-Scale Research Infrastructures. It is partly funded by NWO with a total budget of 40 million euro. The project started on September 2018 and will last for ten years.

EUMOTIONS explores the role of emotions expressed by political elites (at EU- and member state-level) in framing the EU’s policy options during international crises.

This project analyses the democratic consequences of increasing decentralization and regionalization in European countries. Through an original approach that foregrounds informal political dynamics, it studies the functioning of democracy in subnational units, and investigates the effects of ever more…

Monica Kaminska, Dennis Broeders and Fabio Cristiano have contributed a chapter to the proceedings of the 13th International Conference on Cyber Conflict (CyCon 2021), which gathers 20 articles from the law, technology and strategy domains.

The Faculty of Humanities

The rise and fall of the cesspit in an urban context

Essays in Honour of Olivier P. Nieuwenhuyse

When you apply for admission, you’ll be asked to submit several documents.

Lecture

Study information, Student for a day

Promotores: R. Tijdeman, K.J. Batenburg

Classical mathematical models treat space and time as a continuum, while it is sometimes more useful to regard it as granular. Hupkes is studying what this means for a number of important patterns that are often found in computer calculations and in nature.

GitLab is a single application for the entire software development lifecycle. We use the Leiden University gitlab services

An overview of our infrastructure at the SPP division:

An analysis of researchers' global mobility reveals that limiting the circulation of scholars will damage the scientific system.

Adopting a largely chronological approach, Gerrits links the historiography of post-war Europe and the major theoretical approaches to nationalism with analysis of key historical developments and events.

This thesis focuses on the development of sample-preparation methods for small amounts of samples and applying the developed methods to muscle tissues to investigate the mechanisms involved in sarcopenia.

Promotor: R. Tijdeman, Co-promotor: C. Kraaikamp

Promotor: Arjen Doelman, Co-promotor: Vivi Rottschäfer

On Wednesday 13 December, Melanie Fink defended her doctoral thesis ‘Frontex and Human Rights: Responsibility in “Multi-Actor Situations” under the ECHR and EU Public Liability Law’. The supervisors are Rick Lawson and Jorrit Rijpma from Leiden, as well as Manfred Nowak, and Stephan Wittich from the…

Together with Prof. Barbara Graham-Siegenthaler, Christa Tobler has contributed a chapter to a liber amicorum for Prof. Sebastian Heselhaus of Lucerne University (Switzerland). The subject of the chapter are the European Union’s private international law rules in the field of inheritance as laid down…

A landscape-oriented chronostratigraphic approach to MIS 5 Middle Paleolithic open-air sites on the European Plain : case studies from Lichtenberg and Khotylevo I

Intercultural epistemology and land rights

Analecta Praehistorica Leidensia is the annual journal of the Faculty of Archaeology (formerly the Institute of Prehistory), Leiden University.