Improving the Modularity of i* Models

i* offers expressive models to capture social and intentional characteristics of a system organizational context, and explicitly captures stakeholders’ motivations and rationale in a requirements model. Thus, the more detailed i* models are, the more complex they become. Hence, i* models can become unnecessarily hard to read, understand, maintain and reuse. In the past years we have been investigating how to tame the complexity of the models, with a view to improve their modularity. This paper presents two of our strategies. The first one relies on aspect-orientation principles whereas the second one is based on model transformations.