AUTHOR=Ermakova Liana , Solovyev Valery , Sidorov Grigori , Gelbukh Alexander TITLE=Editorial: Text complexity and simplification JOURNAL=Frontiers in Artificial Intelligence VOLUME=6 YEAR=2023 URL=https://www.frontiersin.org/journals/artificial-intelligence/articles/10.3389/frai.2023.1128446 DOI=10.3389/frai.2023.1128446 ISSN=2624-8212