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Decoupled Model-Based Elicitation of Stakeholder Scenarios

Authors:
Gregor Gabrysiak
Regina Hebig
Holger Giese

Keywords: decoupled requirements elicitation; scenario synthesis; incomplete scenarios

Abstract:
Requirements engineers iteratively elicit scenarios by capturing and combining individual stakeholder perspectives into a consistent overall scenario model. This model has to be validated to exclude elicitation errors and check whether all alternatives are covered. While involving all stakeholders at once is considered beneficial, it is usually not feasible due to scheduling and resource constraints. Consequently, techniques that permit all stakeholders to be involved in the elicitation and validation independently, i.e., temporally and locally decoupled, are required. In this paper, we present an approach that enables stakeholders to participate in the elicitation of their collaborative scenarios remotely and decoupled from other stakeholders. The resulting fragmentation of the elicited scenarios is overcome by allowing stakeholders to express their expectation on how a scenario is usually complemented by activities of other stakeholders. Our approach systematically combines these decoupled perspectives to establish the overall scenario model.

Pages: 70 to 77

Copyright: Copyright (c) IARIA, 2012

Publication date: November 18, 2012

Published in: conference

ISSN: 2308-4235

ISBN: 978-1-61208-230-1

Location: Lisbon, Portugal

Dates: from November 18, 2012 to November 23, 2012