Model and data engineering : 11th International Conference MEDI 2022 Cairo Egypt November 21 24 2022 proceedings This book constitutes the refereed proceedings of the 11th International Conference on Model and Data Engineering MEDI 2022 held in Cairo Egypt in November 2022.The 18 full papers presented in this book were carefully reviewed and selected from 65 submissions. The papers cover topics such as database systems data stream analysis knowledge graphs machine learning model driven engineering image processing diagnosis natural language processing optimization and advanced applications such as the internet of things and healthcare