NARCIS (Netherlands)

NARCIS (National Academic Research and Collaboration Information System) of the Netherlands is an online portal for searching Dutch scientific research publications and data. As of July 2018, NARCIS indexes 268,989 data sets and 1,707,486 publications, including a significant proportion of open access works. 
It started in 2004 as a project of the Koninklijke Nederlandse Akademie van Wetenschappen, Information Centre of the Radboud University of Nijmegen (METIS), Nederlandse Organisatie voor Wetenschappelijk Onderzoek, and Vereniging van Universiteiten. Since 2011 the (DANS) operates NARCIS from headquarters in The Hague.