Using EUREQA for End-User UML Model Development Through Design Patterns

This paper presents the EUREQA approach for end-user development. The purpose of the tool is to narrow the cognitive gap between the end-user developer's mental model and the software model. The tool uses design patterns as building blocks allowing end-users to create UML class diagram models that capture their domain knowledge. The EUREQA tool hides from view the complexity of code thereby reducing the cognitive load on end-user developers. EUREQA makes non-functional quality issues a first-class concern allowing end-user developers to consider both functional and non-functional aspects of design alternatives. The tool uses visualization techniques to aid in nonfunctional quality assessment.