This volume contains the proceedings of the Twenty-fourth European Conference on Artificial Intelligence (ECAI
2020), held from August 29th to September 8th, 2020, in Santiago de Compostela, Spain, though mainly online due
to the COVID-19 situation that has hit the world. Since 1974, the biennial European Conference on Artificial Intelligence, organized by the European Association for Artificial Intelligence (EurAI), has been the premier venue for
presenting AI research in Europe. ECAI is the place for researchers and practitioners of Artificial Intelligence (AI)
to gather and to discuss the latest trends and challenges in all subfields of AI as well as to demonstrate innovative
applications and uses of advanced AI technology.