Before revision: Human Systems Integration Human Systems Integration (HSI) is an interdisciplinary managerial and technical approach to developing and sustaining systems which focuses on the interfaces between humans and modern technical systemsInternational Council on Systems Engineering.
After revision: Human Systems Integration Human Systems Integration (HSI) is an interdisciplinary managerial and technical approach to developing and sustaining systems which focuses on the interfaces between humans and modern technical systems.International Council on Systems Engineering.