Access to information is a human right (United Nations, 1948). Information technology, such as search engines and recommender systems, has become the key mediator and facilitator to connect people to information (White, 2016). Conversational artificial intelligence (AI) technology is increasingly being…

Leiden LIS Budget Incidence Fiscal Redistribution Dataset on Income Inequality (2017), assembled by Jinxian Wang and Koen Caminada (Version 1, November 2017), presents the disentanglement of income inequality and the redistributive effect of social transfers and income taxes in 47 LIS countries for…

Doing a PhD at the Institute of Psychology can be an exciting experience. On this webpage we provide you with the necessary information on application, registration, the Graduate School and Training and regulations. Leiden University’s Institute of Psychology offers you a professional and supporting…

What are the patterns and processes of human mobility in the pre-colonial circum-Caribbean as revealed by burial populations and what are the underlying motives and socio-cultural principles on both micro- and macro-scales?

We study the structure, dynamics and physics of complex networks emerging from the intricate interconnectedness of the constituents of large systems.

Research lines within the Pharmacy group:

Description of Atlas of the surfacewater concentrations of pesticides in the Netherlands, a pilotstudy.

The Dutch atlas with pesticides concentrations in surface waters have been overhauled. This new, free accessible, website is in line with the European Framework Directive on Water (In Dutch: KRW).

Joost Batenburg is a mathematician and computer scientist who works to build bridges to other disciplines. He hopes to bring intelligent software to fields where it can make a difference. Conversely, he also seeks connections to the disciplines that are needed to make AI a success.

Simulations of galaxies help researchers understand astronomical observations better. The EAGLE simulation, a large project in which Leiden astronomers play a leading role, shows the evolution of the Universe, from just after the Big Bang to the present day.

With the emergence of new methods and technologies such as improved DNA analysis and big data, archaeological research has changed radically in recent decades. The researchers from the Department of Archaeological Sciences at the Faculty of Archaeology use new scientific knowledge to answer fundamental…

Researchers using remote sensing technologies have characterized pre-Columbian regularly-shaped earthworks in forests in Central America and the Amazon. In tropical forested mountains in South America, two challenges arise when identifying archaeological sites through remote sensing. Firstly, sites…

Researchers at LIACS are working to devise the computers of tomorrow that will be the backbone of the Cloud and Edge computing paradigms as well as the Internet of Things. In this respect, we are involved in research and development of high performance computing systems, embedded & real-time computing…

In the specialisation Methodology and Statistics, part of the Master in Psychology, you will focus on in-depth study of statistical theory and research methodology as well as on the acquisition of data analysis skills.

In the History of the Roman Emperors, what does Herodian’s method of composition consist of and how does it relate to his writing intention, particularly in terms of political and moral idea(l)s?

Cristina Grasseni, Federico de Musso, Ola Gracjasz, Maria Vasile, Vincent Walstra and Marilena Poulopoulou are part of the 'Food citizens?' Research project.

A research data infrastructure in computational social science

Imprint of Action is the first large-scale study focussing entirely on sociocultural impact in archaeology and, as such, is explorative in nature; it provides unique insights into the workings of interaction and participation in archaeological events, and openly shares qualitative and quantitative research…

Leiden University seeks to bring knowledge, academic top talents, and resources from Leiden and China together in mutually beneficial joint research projects that are content-driven, based on existing excellent research.

This work represents the final results of several years of research within the Maya region. It deals with the relations between architecture and urbanism with landscape and astronomy.

CADS researchers give methodology their own unique signature through two parallel engagements: (a) teaching and researching the full range of social science methods, from audio-visual engagements, through global ethnography, to statistical analysis; and (b) interrogating these multiple modalities employing…

Citizen science has recently become a widely used term, but what does it mean exactly? How does citizen science compare to crowdsourcing? And where does community archaeology stand in this discussion?

From molecule, to cell, to organism. The high-level drug research at the Cell Observatory aimes at reducing the spread of cancer and developing new medicines for tuberculosis.

To what extent are there differences between countries in and outside the European Union and the Schengen area in the level of crimmigration, the merger between migration control and crime control, and to what extent can these differences be explained by the way in which state and non-state actors in…

How does the presence of internally displaced people impact on the justice and security concerns of longer-term residents in host communities, and to what extent do residents have different concerns than displaced?

TARA aims to accelerate research assessment reform through: Systematic review of new or innovative research assessment policies and practices at academic institutions, primarily in the United States and Europe Analysis & assessment of new or innovative research assessment policies and practices…

The digitisation of society is a worldwide challenge. Not only are robots increasingly taking over human tasks, they are even beating the world champion at solving the most difficult brainteasers.

YAL stimulates interdisciplinary collaboration.

PathOS aims to contribute to a better understanding and measurement of Open Science impacts and their causal mechanisms. This is pivotal in order to develop effective OS policy in the EU (European Union). It will do so by collecting concrete evidence of OS effects, by studying the pathways of OS practices,…

Practical applications for the reconstruction of the past

Read about our recent research projects below.

The programme consists of multiple courses and will teach you about a range of legal, regulatory and ethical issues with respect to digital technologies.

Our programmes are known for our scientifically based education and for our open atmosphere.

As an academic strategic partner of PHM, you have the skills to look and act across domains and integrally solve complex healthcare issues. This is requested in a wide range of healthcare organizations and businesses and in government.

We are transparent about our research involving laboratory animals, which includes providing access to our annual statistics. On this page, you will find an overview of various aspects, such as the number of animals and the species we use, the types of research for which we employ animals, and the level…

Due to the almost complete disappearance of the archive of the Old Dutch West India Company (WIC, 1621-1674) not much is known about the ships and crews of this company. In this project we start the reconstruction of this basic information making use of new digital humanities techniques to extract this…

At LIACS, we recognize the growing need for advanced technical support in research projects and lab education. Increasing student numbers, more and more advanced hardware and infrastructure, new demands around data safety and management, and the complexity of core computer science courses necessitate…

The Mathematical Institute offers a bachelor programme in Mathematics and master programmes in Mathematics and in Statistical Science. The institute also teaches many mathematics and statistics courses in other academic programmes of the university. About 65 PhD students work on a thesis in a small…

Audiovisual and Digital Ethnography is a state-of-the-art introduction to this dynamic and growing subject. The authors explain its fundamental aspects in a clear and systematic way.

At this moment participants are still working on their trajectories. In the summer of 2024, we will have taken the final measurements and will analyse the data. We expect to present the results on this page around September 2024.

Developing and investigating statistical methods for complex data and models

Both researchers and evidence based practitioners can join ENPAIR. Joining the network requires no membership fees.

Below you will find various resources available for engaging with Sign Languages.

The Assyrian Empire was the first state to achieve durable domination of the Ancient Near East, enduring some seven centuries and, eventually, controlling most of the region. Yet, we know little about how this empire emerged from a relatively minor polity in the Tigris region and how it managed to consolidate…

Promotor: Prof.dr. K.J. Batenburg

In Indigenous Ancestors and Healing Landscapes Jana Pešoutová presents new interpretations of current healing practices in Cuba and the Dominican Republic juxtaposed against the European colonization of the Caribbean after 1492.

Brownian motion is the random motion of (colloidal) particles due to collisions with the atoms and molecules of the solvents, which are moving due to temperature.

The Leiden Institute of Advanced Computer Science (LIACS) offers bachelor and master level education in computer science at Leiden University. We are known for our scientifically based education and for our open atmosphere.

Human impact and plant subsistence in Dutch wetlands during the Late Mesolithic and Early and Middle Neolithic (5500-3400 cal BC)