2015 | OriginalPaper | Buchkapitel
Functional Requirements Modelling for Interactive TV Applications
verfasst von : Sergio Canchi, Juan Eduardo Durán
Erschienen in: Requirements Engineering: Foundation for Software Quality
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[Context and motivation]
There is a scarcity of proposals for functional requirements modelling for the interactive TV applications (iTV); this is a complex problem due to several fields/factors/dimensions/trends involved; therefore, it is necessary to give support to model iTV requirements.
[Question/problem]
We have found in the literature some iTV task classifications; some of their limitations are: classifications of actions were not proposed, the action classes found are not enough, it was not explained for each functionality kind how to systematically describe its members in terms of action classes of a taxonomy of actions, and the task classes are not enough for practical iTVs.
[Principal ideas/results]
For iTV applications we defined two UML profiles: one extending use case diagrams (UCD), and another extending activity diagrams (AD) for describing use cases (UC); 4 real iTVs were (partially) considered to illustrate the use of both profiles.
[Contribution]
Both profiles describe useful classifications with tasks/actions classes not found in the literature; for the identification of UCs we consider using few criteria instead of considering a lot of task classes; for every UC kind we indicate which action kinds must be used (for describing UCs of this kind); our approach allows to answer the question: to what kind of stakeholder a UC implementation should be assigned.