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Towards a More Semantically Transparent i* Visual Syntax

Abstract : [Context and motivation] i* is one of the most popular modelling languages in Requirements Engineering. i* models are meant to support communication between technical and non-technical stakeholders about the goals of the future system. Recent research has established that the effectiveness of model-mediated communication heavily depends on the visual syntax of the modelling language. A number of flaws in the visual syntax of i* have been uncovered and possible improvements have been suggested. [Question/problem] Producing effective visual notations is a complex task that requires taking into account various interacting quality criteria. In this paper, we focus on one of those criteria: Semantic Transparency, that is, the ability of notation symbols to suggest their meaning. [Principal ideas/results] Complementarily to previous research, we take an empirical approach. We give a preview of a series of experiments designed to identify a new symbol set for i* and to evaluate its semantic transparency. [Contribution] The reported work is an important milestone on the path towards cognitively effective requirements modelling notations. Although it does not solve all the problems in the i* notation, it illustrates the usefulness of an empirical approach to visual syntax definition. This approach can later be transposed to other quality criteria and other notations.
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https://hal.inria.fr/hal-00718136
Contributor : Patrick Heymans Connect in order to contact the contributor
Submitted on : Monday, July 16, 2012 - 12:34:45 PM
Last modification on : Friday, February 4, 2022 - 3:16:24 AM

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Nicolas Genon, Patrice Caire, Hubert Toussaint, Patrick Heymans, Daniel L. Moody. Towards a More Semantically Transparent i* Visual Syntax. REFSQ 2012 - 18th International Working Conference on Requirements Engineering for Software Quality, Mar 2012, Essen, Germany. pp.140-146, ⟨10.1007/978-3-642-28714-5_12⟩. ⟨hal-00718136⟩

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