Requirements-driven Internetware services evaluation

Authors:
Wenting Ma;Lin Liu;Xiaojun Ye;Jianmin Wang;John Mylopoulos
Affiliations:
Tsinghua University, Beijing, China;Tsinghua University, Beijing, China;Tsinghua University, Beijing, China;Tsinghua University, Beijing, China;University of Toronto, Canada and University of Trento, Trento, Italy
Venue:
Proceedings of the First Asia-Pacific Symposium on Internetware
Year:
2009

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Abstract

In the services era, evaluation of existing services and planning for new services according to user requirements are key activities that need systematic support. This paper proposes a requirements-driven evaluation framework for Internetware-based services, with respect to both their functionality and risk. In particular, we offer an account of how to model these requirements, how to derive from them a space of service functionality alternatives, and how to select among these alternatives on the basis of desired qualities. In essence, the selection of service functionality is framed as a satisfaction problem for requirements; while service risk is addressed as an analysis of failure rates. We use a typical logistics example scenario to illustrate the proposed framework.