Usage-Based Storyboarding for Web Information Systems

On a high level of abstraction a Web Information System (WIS) can be described by a storyboard, which in an abstract way specifies who will be using the system, in which way and for which goals. While syntax and semantics of storyboarding has been well explored, its pragmatics has not. This paper contributes the first step towards closing this gap by analysing the usage of WISs. Starting from a classification of intentions we first present life cases, which capture observations of user behaviour in reality. We discuss the facets of life cases and present a semi-formal way for their documentation. Life cases can be used in a pragmatic way to specify a story space, which is an important component of a storyboard. In a second step we complement life cases by user models that are specified by various facets of actor profiles that are needed for them. We analyse actor profiles and present a semi-formal way for their documentation. We outline how these profiles can be used to specify actors, which are an important component of a storyboard. Finally, we analyse contexts and the way they impact on life cases, user models and the storyboard.

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