RESUMEN

e-Services are intangible products, provisioned via the Internet. Examples include Internet access and Internet radio. Because most e-services involve multiple enterprises, creating a shared understanding of the service under development is an issue. Such an e-service is more difficult to understand than a proposition just consisting of goods because services lack easily observable physical properties. Consequently, software engineers must first understand the e-service itself before they can build effective systems and support for these services. The authors present the complementary use of two requirements engineering techniques. Using i* modeling, they explore strategic goals that enterprises have, and using e3value modeling, they understand how these goals can result in profitable services for enterprises. They demonstrate their approach using a case study on Internet radio.This article is part of a special issue on requirements engineering.