Applications and System Development -- A Hierarchical Design Tool for SystemC AMS -- Generating Custom Learned Cost Model for Query Optimizer of DBMS -- Behaviour-Oriented OPC UA Information Model Development for CPPS -- Modeling Languages, Tools and Architectures -- Abstracting Complexity in MBSE Models InTra A Practical Approach for Rule Based Model Transformation -- UMLDS A Round Trip Engineering Support Tool to Avoid Unintended Design Changes -- An Expression Language for Model Transformations -- Challenges in Modeling and Unmodeling Complex Reactive Systems Interaction Networks, Reaction to Emergent Effects, Reactive Rule Composition, and Multiple Time Scales -- Improving Requirements in Model-Based Systems Engineering through Multi-layer Goal Models.

This book constitutes the refereed post-proceedings of the 11th International Conference on Model-Driven Engineering and Software Development, MODELSWARD 2023, which took place in Lisbon, Portugal during February 19-21, 2023. The 8 full papers included in this book were carefully reviewed and selected from 41 submissions. The papers are categorized under the topical sections as follows: Applications and System Development and Modeling Languages, Tools and Architectures.