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Abstract
Goal-oriented modelling is one of the most important research developments in the RE field. This paper conducts a systematic analysis of the visual syntax of i*, one of the leading goal-oriented languages. Like most RE notations, i* is highly visual. Yet surprisingly, there has been little debate about or modification to its graphical conventions since it was proposed more than a decade ago. We evaluate the notation using a set of evidence-based principles for visual notation design. The paper identifies some serious flaws in the i* visual notation together with some recommendations for improvement. A broader goal of the paper is to raise the level of debate and stimulate discussion about visual representation in RE research.
Original language | English |
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Title of host publication | Proceedings of the 17th International Requirements Engineering Conference (RE'09), Atlanta, Georgia, USA |
Editors | Kevin Ryan, Bill Robinson |
Place of Publication | Piscataway, NJ, USA |
Publisher | IEEE Computer Society Press |
Pages | 171-180 |
Number of pages | 10 |
ISBN (Print) | 978-0-7695-3761-0 |
Publication status | Unpublished - 2009 |
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