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Towards Canonical Task Types for User Interface Design

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4 Author(s)
Juan Manuel Gonzalez-Calleros ; Univ. Catholique de Louvain, Louvain-la-Neuve, Belgium ; Josefina Guerrero-Garcia ; Jean Vanderdonckt ; Jaime Munoz-Arteaga

Task models are the cornerstone of user-centred design methodologies for user interface design. Therefore, they deserve attention in order to produce them effectively and efficiently, while guaranteeing the reproducibility of a task model: different persons should in principle obtain the same task model, or a similar one, for the same problem. In order to provide user interface designers with some guidance for task modelling, a list of canonical task types is proposed that offers a unified definition of frequently used tasks types in a consistent way. Each task type consists of a task action coupled with a task object, each of them being written according to design guidelines. This list provides the following benefits: tasks are modelled in a more consistent way, their definition is more communicable and shared, task models can be efficiently used for model-driven engineering of user interfaces.

Published in:

Web Congress, 2009. LA-WEB '09. Latin American

Date of Conference:

9-11 Nov. 2009