How do governments distribute resources across economic sectors during a crisis? And why do some sectors receive more than others? The recent COVID-19 pandemic has highlighted the urgency of these questions. In this paper, we explore the extent to which a political economy…

How and when do interest groups organise themselves as transmission belts and what are the implications for their political relevance among public officials involved decision-making processes?

This study explores public leaders’ organizational learning orientation in the wake of a crisis. More precisely, we study the association between public leaders’ public service motivation and their learning orientation (instrumental versus political).

L1-oral language education is widely regarded as essential for developing communicative competence and critical thinking. However, as a research domain it remains relatively underexplored. The aim of this study was to identify effective elements and challenges within oral language education and to contribute…

In this thesis, deep learning is studied from a statistical perspective. Convergence rates for the worst case risk bounds of neural network estimators are obtained in the classification, density estimation and linear regression model.

Prof.dr.ir. Hai-Xiang Lin is appointed on 1 March 2015 as part-time professor on Data Analytics for Environmental Modelling at CML on behalf of the R. Timman foundation. He will join the CML-department of Industrial Ecology. He has a position at the Department of Applied Mathematics at the Faculty…

On 16 May 2022, Professor Michel Wouters from the Department of Biomedical Data Sciences at the Leiden University Medical Centre (LUMC), will deliver his inaugural lecture titled ‘Quality of Cancer Care: why the real world matters’. Wouters will use the opportunity to describe how quality registries…

The world is becoming increasingly digitised, and the information one has easy access to is often rather overwhelming. In particular, the accumulative nature of the archaeological practice has resulted in huge quantities of data being produced. But how to prevent these from becoming dust-collectors…

Computer scientist Matthijs van Leeuwen is one of four science faculty members who obtained the Senior Qualification in Education in 2021. What was that like and what drives him? ‘In my own education I would have liked to see more attention paid to the responsibility that machine learning and data mining…

This paper written by Vydra and Kantorowicz answers the research question ‘What policy-relevant information does Twitter contain?’ as well as the research question ‘How does this information change between a period of normalcy and a period of crisis?’

Seminar 12th of April

Plant architecture has distinct forms in different plant species, but also within a species the finalarchitecture of a plant is determined by its gradual development and changes therein induced by environmental conditions during the plant’s life cycle.

On 15 February 2018, Simone van der Hof gave a keynote lecture entitled 'Data Protection and Children's Rights - the reasoning behind the protective provisions for children in the GDPR' at the International School of Amsterdam conference on Strategic marketing & communications for international scho…

On 19 December 2019, Reza Eftekhar defended his thesis 'The Role of the Domestic Law of the Host State in Determining the ratione materiae Jurisdiction of Investment Treaty Tribunals: The Partial Revival of the Localisation Theory'. The doctoral research was supervised by Prof. E. de Brabandere.

Quantum computers are a proposed fundamentally new type of computer. They aim to perform some computations much faster than previously possible by exploiting phenomena at the quantum scale, called superposition and entanglement.

The coronacrisis is emerging as the ultimate test for political leaders. How do national political leaders get ahead or behind ‘the curve’ of fast-changing dynamics. Martin Lodge (London School of Economics and Political Science) and Arjen Boin (Leiden University Institute of Political Science) look…

A technique originally developed for satellite imaging can now be used to recover pictographic texts from underneath the surface of a five hundred year old Mexican manuscript.

The growing popularity of corporate self-regulation to address supply-chain issues puts Corporate Social Responsibility and specifically codes of conduct, at the centre of attention. In this article, Jaroslaw Kantorowicz, Sarah Vandenbroucke and Yvonne Erkens analyse supplier codes of conduct of multinational…

On Monday 6 May, GTGC guest researcher Joohyun Baik presented her research on 'Data Localization as a Data Sovereignty in Nigeria's Digital Policy Landscape'.

Political scientist Rebekah Tromble (Leiden University) has been appointed as an academic advisor to the Social Science One research commission. She will assist the commission in its new partnership with Facebook, which aims to facilitate in-depth studies of the role of social media in elections and…

More collaboration, combining data and asking the right questions. These are a few of the recommendations that policymakers and researchers formulated at the conference 'Data gedreven Beleidsontwikkeling' on 28 November 2017.

Using positional data to determine which tactics lead to a successful attack? Rens Meerhoff, researcher at the Sports Data Center of the Leiden Institute of Advanced Computer Science (LIACS), has been using data-mining to analyse football tactics for several years. In Friesch Dagblad he explains the…

eLaw colleagues Bart Custers and Helena Ursic have a new publication in the peer-reviewed journal The European Data Protection Law Review.

From 14 to 29 PhD candidates, seven actively involved faculties and, above all, lots of innovative interdisciplinary research, all with data science as the common denominator. The university’s Data Science Research Programme (DSO) has proven so successful that after five years on a start-up grant it…

What do Master Card, the UN High Commissioner on Refugees (UNHCR) and Leiden University have in common? They all work on new sets of guidelines for responsible data use.

Gathering and distributing patient data can make an important contribution to containing the coronavirus. But if we want to be successful, we need better data. With this objective in mind, Leiden data stewards have joined the Virus Outbreak Data Network (VODAN).

Nowadays data-driven working is very important within Rijkswaterstaat. A Variety of employees is involved in analyzing the data collected on daily basis by Rijkswaterstaat. The goal is to ensure that we construct an infrastructure in the Netherlands which will be safe, accessible and liveable in the…

The database research community has made tremendous strides in developing powerful database engines that allow for efficient analytical query processing.

During the annual LACDR Spring Symposium, the audience chose PhD student Rob van Wijk as best speaker. Furthermore, six PhD students won a poster prize. Matthias P. Mayer of Heidelberg University opened the symposium with a keynote lecture about chaperone proteins.

The Netherlands has a lot of world-class speed skaters and footballers. Clever statistical analyses could help them perform even better. Leiden University is working on this together with Delft and Amsterdam.

Sociaaleconomisch Beleid: Empirische Analyse is a new course for those students on the Bachelor’s programme in Public Administration who are following the specialisation in Economics, Administration and Management.

Data Science seminar at the Faculty of Governance and Global Affairs

Policy makers urgently need scientists’ help with the phenomenon of big data. This was the view expressed by Prince Constantijn, speaking at the opening of the Leiden Centre of Data Science, the virtual centre for research on big data at Leiden University.

On 10 March 2017, Professor Karel Luyben (TU Delft) welcomed the ‘Metabolomics GO FAIR Implementation Network’ as community initiative to start the European Open Science Cloud. The network aims to implement the FAIR data principles in the field of metabolomics in Europe.

This project aims to contribute to the improvement of documentation and archiving standards (conform the FAIR principles) for systematic Mediterranean archaeological field survey.

On 7 November 2018, Catherine Harwood defended her thesis 'Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International Legal Order'. The doctoral research was supervised by Prof. dr. L.J. Van den Herik and Prof.…

Natural Computing investigates algorithms and phenonema based on nature to create better and new computer science innovations.

How can you tie together scientific research and practical applications? That is exactly what Professor of Translational Data Science Marco Spruit is concerned with, he tells FMT Gezondheid. 'It's about taking socially relevant questions as a starting point for your research.'

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

The thesis introduces three methods for high-dimensional prediction problems in the biomedical field. The methods make use of empirical and variational Bayes in the estimation.

Self-driving cars, surgery robots, and stock market algorithms: the use of robots and Artificial Intelligence (AI) is rapidly increasing. What are the opportunities for this development, and what the dangers? The Honours Class ‘Robot Law: Regulating Robot and AI Technologies’ prepares students for the…

Joanita Vroom, Professor Archaeology of Medieval and Early Modern Eurasia at the Faculty of Archaeology, has again received a DANS Klein DataProject (KDP) bursary for her project entitled ‘Data Atlas of Byzantine and Ottoman Material Culture: Archiving Medieval and Post-Medieval Archaeological Fieldwork…

With the conference circuit slowly reopening after Covid forced almost all academic interactions online, thousands of conference attendees descended on Brussels for Europe’s largest technology conference. eLaw’s annual sponsorship of one of the many CPDP conference panels brought a diverse range of…

On Friday 24th March, Prof. Amanda Perry-Kessaris (Kent Law School) ); who was here for the lecture ‘Exploring the economic life of law with sociological imagination, visual methods and experimental attitude’, Leiden Socio-Legal Lecture Series, as a part of ILS 2.0, gave a short workshop on data visualisation…