This mini-tutorial introduces Web services and service-centric systems, identifies their impact on requirements engineering, and introduces new tools and techniques for engineer requirements for service-centric systems.
Baresi, L., Maiden, N., & Sawyer, P. (2008). Service-Centric Systems and Requirements Engineering. In RE '08: Proceedings of the 2008 16th IEEE International Requirements Engineering Conference (pp. 305). IEEE. https://doi.org/10.1109/RE.2008.60