Promotor: J. N. Kok, Co-promotor: A. J. Knobbe

Supervisor: Gerard van Westen

Promotores: Prof.dr. J.N. Kok, Prof.dr. C.A. Mandemakers, Co-Promotor: G. Bloothooft

Interactive exploration of large volumes of data is increasingly common, as data scientists attempt to extract interesting information from large opaque data sets. This scenario presents a difficult challenge for traditional database systems, as (1) nothing is known about the query workload in advance,…

Study information

The database is created by the Centre for Public Values and Ethics of the Institute of Public Administration. Its aim is to collect and describe scandals involving (supposed) corruption and lacking integrity of public officials in the Netherlands between 1945 and the present.

Data Sets Department of Economics

In the 19th century, Old English poems were claimed as cultural heritage by various non-Anglophone nations, including Scandinavians, Germans and Dutch. These competing nationalistic, cultural appropriations happened against the backdrop of a growing interest in early medieval English language and literature…

A research into homicide.

Source: J Cheminform, Volume 6, Issue 1 (2014)

This thesis investigates how the assessment of circular economy (CE) at the macro-economic level can be facilitated and promoted⁠.

Study information

Lots of efforts are being made to promote open science practices in scholarly publishing. However, information on the openness of scholarly journals is highly fragmented. There are various data sources that provide information on specific aspects of openness, but there is hardly any integration of these…

Access to high-quality research facilities is essential to research success. That is why Leiden University makes its research facilities available to researchers from the business community, knowledge institutions and universities.

Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.

CompaRe aims to conduct and stimulate research on comparative regional integration in Europa, Asia, Africa and Latin-America. To this end, CompaRe organizes conferences and workshops, and CompaRe members contribute to conferences, research papers, publications and reports on comparative regional…

Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.

PhD Research Projects:

Reference management software is software that enables scholars, researchers, and academics of all types to capture and use citations when creating their bibliography. These programs allow you to import citations from various databases and websites, create and organize bibliographies, and format article…

More than 600 staff members and students of Leiden University did not survive the war. Two of them were Caroline van Loen and Elsa Oppenheim .

Supervisor: Gerard van Westen

HiQ-LCA aims to deliver an independent, high-quality Life Cycle Assessment database for use in industrial battery LCA case studies

Investigating the contribution of interpreters, informants, hunters and guides in the making of colonial scientific knowledge.

From the microscope to publication, OMERO handles all your images in a secure central repository. You can view, organize, analyze and share your data from anywhere you have internet access. Work with your images from a desktop app (Windows, Mac or Linux), from the web or from 3rd party software. Over…

To facilitate and accelerate a systemic change in society by creating a framework based on the current post-growth narratives, policies, and initiatives.

How can teachers be motivated by their students’ data in making stepwise changes to their teaching practices?

Across cultures, parents help their children master the social and linguistic codes needed in adult life. Recent research on language socialization found important cross-cultural differences, pointing out the need for more diversity for a full understanding of this process. Deaf communities form…

The Leiden LIS Sectoral Income Inequality Dataset, assembled by Chen Wang, Stefan Thewissen and Olaf van Vliet (Version 1.1, March 2014), contains information on multiple indicators of earnings inequality and employment within 9 sectors and 12 subsectors, drawing upon micro data from Luxembourg Income…

The Leiden Children's Rights Observatory is an open access online database of case commentaries, written by international experts on children’s rights, referring to the decisions of the UN Committee on the Rights of the Child under the Optional Protocol to the Convention on the Rights of the Child on…

This project looks at the Ancient Greek language from the perspective of the ordinary writer. A large corpus of more than 60.000 Greek texts on papyrus, from private letters to petitions and contracts, offers an excellent opportunity to study the Greek language as written by non-literary writers in…

Heterogeneous catalyzed processes are highly significant to the chemical industry. Dissociative chemisorption (DC) of molecules on surfaces is always considered as a step with a high degree of rate control for heterogeneous catalysis.

The department carries out research in all fields of IP law. The research is a part of the faculty research programme Coherent Private Law.

PhD candidate Jianhong Zhou aimed to better understand whether and how plant species adapt to environmental changes. She developed two databases that she used to analyze how easily or difficultly plants adapt to changing conditions. Zhou defended her PhD thesis on 4 September.

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…

An overview with the most frequently asked questions and the corresponding answers:

Leiden LIS Budget Incidence Fiscal Redistribution Dataset on Relative Income Poverty Rates (2019), assembled by Koen Caminada and Jinxian Wang (Version 1, February 2019), presents the disentanglement of relative income poverty measurers and the anti-poverty effects of social transfers and income taxes…

This project focuses on Dutch registration of land and people in rural Sri Lanka. How did the practice of “fixating” the fluid social relations and dynamic daily practices into categories affect family strategies of reproduction and survival?

The genesis of the golden boy-king mythos as exhibited between 1922 and 2022 in relation to Egyptological development with a focus on Dutch reception

This project uses archaeological, literary and epigraphic evidence to investigate urban development in Roman-period North Africa, compiling this in a GIS-linked database in order to analyse the development of urban settlement spatially over time.

We review the state-of-the-art in the theory of dissociative chemisorption (DC) of small gas phase molecules on metal surfaces, which is important to modeling heterogeneous catalysis for practical reasons, and for achieving an understanding of the wealth of experimental information that exists for this…

1) The in-use construction material stocks of the BRI projects and their temporal and spatial distribution. 2) Environmental impacts (e.g. carbon emission and biodiversity loss) of constructing BRI projects. 3) Socio-cultural impacts of the BRI projects.

Dynamics of material, social and ideological relationships in the pre-Columbian insular Caribbean

Digital Humanities Student Network

The bottom-up development of post-Roman northwestern Europe

Ancient historians have long been aware that patterns of coin circulation can shed light on levels of economic integration in the Roman Empire. More than forty years ago, Hopkins argued that large amounts of tax money were spent in the frontier provinces and that the non-military provinces recouped…

This project aims to improve understanding of, and responses to, the phenomenon of lone actors through analysis of comprehensive data on cases from across Europe.