To understand the problems in metamodeling, this work presents an investigation of bad smells in metamodels. The core contribution of this work is the reference structure. It enables design, evolution, and extension of metamodels for modeling languages used for quality analysis. Applying the reference structure yields a modular metamodel. To be able to couple the metamodel modules in a meaningful way, this book investigates metamodel extension mechanisms.

Because we believe in artists! We conducted the most comprehensive research ever been done on making a living from art, using ‘crowd-wisdom’ methodologies. We interviewed more than 1,000 artists, creative-professionals and art-businesses worldwide and found amazing patterns you can benefit from. This vital book is here to help you unlock your greatest potential. Stop working in the wrong way! Discover why some are successful, where others fail to reach their art goals. This inspirational book offers 7 powerful art career lessons and is here to help you unlock your greatest potential! 1. Find your deepest purpose, and rebuild yourself based on it 2. How to develop a unique signature style, and be original 3. Know your audience, and where they are active 4. The key to being professional and reaching goals 5. Get noticed! Tell your story, stir conversation 6. Build relationships and sell an experience 7. Fostering the right mind-set This short-read self-development book provides unique insights, full of inspiration and motivation (not a how-to). It is a non-native English publication (incl. unedited content).