- Catholic University of Leuven = Katholieke Universiteit Leuven
- Center for Data Analytics and Biomedical Informatics [Temple University]
- Centre for Informatics and Systems of the University of Coimbra - CISUC
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
- Cognitive Interaction Technology [Bielefeld]
- Commissariat à l'énergie atomique et aux énergies alternatives
- Computer Learning Research Centre [Royal Holloway, University of London]
- Computer Learning Research Centre, Royal Holloway