How to achieve a KAOS requirements analysis?

The following figure sums up how a KAOS study is achieved:

  • the needs are collected by means of several classical techniques: interveiws of the stakeholders, observation of the systems currently in use, document reading
  • all this information is progressively analysed by building a requirements model
  • the model is validated by the stakeholders and revised according to remarks made during validation sessions
  • the model is documented et this documentation is used to generate a requirements document compliant with a standard template for requirements document.