Il 24/01/23 23:59, Simon Razniewski ha scritto:

Thanks for asking! The link you shared contains early-access PDFs that are not yet in the final publication layout. Final PDFs contain the appropriate CC BY 4.0 copyright clause, see the PDFs on this official page:

Thanks for the clarification. The first result on that URL contains: "© 2022 – The authors. Published by IOS Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (CC BY-NC 4.0)".

Do all articles use nonfree licenses?

Best, Federico