Proceedings of the 12th International Conference on Cloud Computing and Services Science Acronym: CLOSER 2022 Event held on: April 27-29, 2022 Editors: Maarten van Steen 1 , Donald Ferguson 2 and Claus Pahl 3 Affiliations: 1 University of Twente, Netherlands , 2 Columbia University, United States , 3 Free University of Bozen-Bolzano, Italy ISBN: 978-989-758-570-8