The 2025 Data for Policy conference at Leiden University explored how digital and green transitions can shape a more sustainable and inclusive future.

In this dissertation, we study partition-based models that can be used both for interpretable predictive modeling and for understanding data via interpretable patterns.

On September 10th 2019 Bart Custers, professor of Law & Data Science at eLaw, was invited by the Committee for Infrastructure and Water Management of the Dutch parliament. In a round table discussion, this committee of the House of Representatives wanted to discuss the access to public transport data…

PhD students Alex Brandsen and Wouter Verschoof-van der Vaart are both doing a project within the university’s Data Science research programme. The are introducing terms like ‘text mining’ and ‘advanced machine learning’ into archaeology. ‘These techniques will make archaeology more efficient and ch…

Companies like Facebook and Google make billions of dollars by selling or using our personal data. The data could be used by many different entities for many different reasons: from universities for research, to brands for creating targeted ads. But rather than just giving their data away to these companies…

Patients with the same illness often receive the same treatment, even if the cause of the illness is different for each person. This represents a new step towards ultimately being able to offer every patient more personalised treatment.

Depression and anxiety disorders among youth are causing major problems worldwide. The mechanisms involved are still unknown, however. Moji Aghajani – Assistant Professor at the Institute of Education and Child Studies - aims to provide new insights with his research

Ships are still emitting too much nitrogen oxide. Till now it has been impossible to measure this at sea, but that is set to change. Solomiia Kurchaba combined satellite data and developed algorithms to identify which ships are emitting too much. Kurchaba received her PhD on 11 June.

The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.

On March 5, CWTS and the Leiden University Data Science Research Programme will organize the symposium ‘Fairness and Transparency, towards responsible data science’.

On 31 May, GTGC Chair Prof. Jan Aart Scholte, together with Carolina Aguerre and Malcolm Campbell-Verduyn, launched their book 'Global Digital Data Governance: Polycentric Perspectives' at the University of Groningen.

Fifty thousand euros in expert knowledge and the title Young eScientist 2019: the National eScience Symposium on 21 November was very successful for computer scientist Lise Stork. She will use the knowledge to develop an application to make historical biodiversity data directly available to research…

While investigating 16 years of images of young stars from a retired astronomical camera, Leiden master's student Sam de Regt discovered that two of those stars were still enveloped in birth clouds. Never before has anyone captured these two stars in so much detail. He publishes his data-cleaning method…

To conclude, this thesis provides valuable methodological insights to address data gaps and improve environmental impact assessments within the circular economy, with a particular focus on product reuse and sharing practices. Through empirical analysis and innovative approaches, it aims to support informed…

The Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions, hyenas, flying squirrels and primates.

Dr. Van Eijk will teach an advertising technology Masterclass for the Future of Privacy Forum (FPF) next week. It is the fourth session of the FPF & Brussels Privacy Hub's Digital Data Flows series. Van Eijk will be teaching alongside Adam Towvim (Brandeis International Business School) and moderated…

Saturday 13 February 2016 the daily newspaper Volkskrant published an article based on interviews with Professor Ronald Cramer and Harry Buhrman.

In October 2019, OSCL organised a Hackathon on the ins and outs of MRI datasharing

Gianclaudio Malgieri, Associate Professor at eLaw Leiden, was invited as a speaker on two panels at the special CPDP Data Protection Day on 25 January in Brussels, an event co-organised by the European Data Protection Supervisor and the Council of Europe.

What issues arise in the changing landscape of privacy, identity and data protection?

Astronomers at Leiden University have discovered the first planets using a new instrument: the planet hunter MASCARA. This instrument, developed at Leiden Observatory, looks specifically for planet transitions around the brightest stars in the sky, which surprisingly enough have so far have hardly been…

How can we ensure a more resilient and sustainable supply of Rare Earths in the EU in the future?

The master's programme Industrial Ecology (joint degree Leiden University and Delft University of Technology) is unique in the Netherlands and one of the few programmes in the world combining natural science, engineering, and social science for science-based solutions for sustainability problems.

Advances in the field of high-performance Nd-Fe-B permanent magnets, by re-engineering their microstructure to make them more powerful while reducing rare earth content.

The universities of Delft, Leiden and Rotterdam are working together to show their students what artificial intelligence (AI) means for their own field. Three AI minors will start in the 2022 – 2023 academic year and will answer questions such as: ‘How best can you use AI in your research discipline?’…

The Research Network of the European Union Fundamental Rights Agency (FRANET) commissioned Aleydis Nissen and Rik Raedschelders to write the 2022 report on Racism, Xenophobia and Related Intolerance in Belgium.

By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…

How to strike a balance between the sometimes conflicting stakes of individual, public and private data-producers and data-processors?

An endless stream of publications, data and software accessible to all? Professor of Science Studies Thed van Leeuwen calls for a more human-centred approach and an overhaul of the PhD system.

Do you still use the uMail address from your alumnus account? Then it is important to know that this mailbox will be discontinued. This is because just a handful of alumni use the uMail addresses and associated mailboxes that we currently maintain for thousands of alumni.

In supermarkets, consumers are drowning in a sea of sustainability labels. Confusing for them, but also farmers can't see the forest for the trees. Obtaining these labels demands an enormous amount of time and effort. Berent Baris is investigating ways to simplify this process, benefiting both farmers…

Partly thanks to Roy de Winter, ship design and engineering company C-Job Naval Architects now develops optimal ships in a short time. The master's student Computer Science from Leiden developed the CEGO algorithm, which eliminates the classic design cycle and makes people in the maritime optimization…

In this work, we attempt to answer the question:

We will use Artificial Intelligence to make an intelligent, multilingual search engine for archaeological texts, which will enable new discoveries about the human past.

In this thesis,

Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar system.

Research at the Macromolecular Biochemistry group is comprised of the following research themes:

A consortium of knowledge institutes, led by Leiden University launched an online platform for analysis and research of sports and movement data on 7 September: Sport Data Valley. The platform offers coaches and athletes insight into their data and makes research on sports and exercise more efficient,…

How can ‘Big Data’ be used in development and humanitarian aid, and what are the risks? Leiden University and the United Nation’s Global Pulse are organising an international expert meeting in The Hague on 23 October.