Practical approach to improving quality in software models using UML Version 2.0 "Despite its use increased, many companies do not take best advantage UML and, sometimes, people experienced frustration in applying standards-Sellers Brian Henderson. This book presents a practical checklist approach to improving the quality of the software model created with the Unified Modeling Language (UML) Version 2.0. Quality Work carried out in three different modeling space but related: * Model the problem space (MOPS) * Model solution space (MOSS) * Model background space (mass) Readers can then choose a specific quality approach according to their role in their projects. Verification and validation checks are also governed by the three modeling spaces, making it easier for readers to focus on the appropriate diagram and quality inspection in accordance with their modeling space. The analysis was performed on each UML diagram, enabling readers to fully understand the diagram, the advantages and limitations, and the way in which they can be used in practical projects for the modeling. A consistent case study of Lucky Insurance System is provided throughout the chapter to illustrate the manufacture of good quality UML diagrams, followed by the application of quality checks to them.