Proceedings of the 13th International Joint Conference on Computational Intelligence Acronym: IJCCI 2021/IJCCI Event held on: October 25-27, 2021 Editors: Thomas Bäck 1 , Christian Wagner 2 , Jonathan Garibaldi 2 , H. K. Lam 3 , Marie Cottrell 4 , Juan Julian Merelo 5 and Kevin Warwick 6 Affiliations: 1 Leiden University, Netherlands , 2 University of Nottingham, United Kingdom , 3 King's College London, United Kingdom , 4 Université Paris1, France , 5 University of Granada, Spain , 6 University of Reading and Coventry University, United Kingdom ISBN: 978-989-758-534-0