KAOS4EXT: uma ferramenta para apoio à modelagem de KAOS e suas extensões

Abstract

Effective requirements representation is crucial in Software Engineering to ensure that stakeholders and systems are aligned. While textual representations are common, they often suffer from ambiguity, motivating the use of diagrams and, more recently, goal-oriented approaches such as KAOS. This language has been frequently extended to support complex domains, but such extensions lack systematic and reusable tool support. In this context, this work presents KAOS4EXT, a web-based, interactive, and extensible tool designed to support requirements modeling using KAOS and its extensions. The tool enables the definition and reuse of new constructors through a configurable metamodel infrastructure. Validation was performed through the modeling of two real-world extensions from the literature, demonstrating KAOS4EXT’s ability to represent different KAOS variants with semantic fidelity and structural consistency. This proposal advances goal-oriented modeling support and lays the foundation for a future meta-tool for other domain-specific modeling languages.