Artificial Intelligence for Knowledge Management, Energy, and Sustainability : 9th IFIP WG 12. 6 and 1st IFIP WG 12. 11 International Workshop, AI4KMES 2021, Held at IJCAI 2021, Montreal, QC, Canada, August 19-20, 2021, Revised Selected Papers - Mercier-Laurent, Eunika; Kayakutlu, Gülgün (Cham Springer International Publishing AG, 2022)