Knowledge and systems sciences : 22nd international symposium KSS 2023 Guangzhou China December 2 3 2023 : proceedings This book constitutes the proceedings of the 22nd International Symposium KSS 2023 held in Guangzhou China during December 2 3 2023. The 20 full papers included in this volume were carefully reviewed and selected from 56 submissions. The volume is divided in topical sections that cover the following topics: data mining and machine learning complex systems modeling decision analysis and knowledge management opinion mining and knowledge technologies