We argue that the use of a user-centred design approach necessarily involves some form of storytelling or narrative. Given that both the potential end-users and the designers themselves often (perhaps usually) have different interests and points-of-view to present, the resultant co-constructed narrative describing the desired interactive system is inevitably the product of compromise. We descri...

In this paper we describe a user-centered approach to designing and evaluating a socially interactive mobile game for the elderly. The objective of the game is to encourage the elderly to socially engage amongst themselves and to make the time that they spend in the community center more enjoyable. The design of the game, known as Walk 2 Win was done for and with the elderly. Two levels of the ...

This paper investigates the possibility that ultra-compact dwarf (UCD) galaxies in the Fornax cluster are formed by the threshing of nucleated, early-type dwarf galaxies (hereafter dwarf galaxies). Similar to the results of Côté et al. for the Virgo cluster, we show that the Fornax cluster observations are consistent with a single population in which all dwarfs are nucleated, with a ratio of nu...

Usability capability is a characteristic of a development organization that predicts the level of usability the development projects are capable of achieving. Our experiments with the existing usability capability models indicate that current process assessment methods do not discover all relevant problems that might impede effective user-centered design (UCD) in development organizations. We p...

This paper studies rank aggregation by using ontology-based user preferences in the context of Web search. We introduce a set of techniques to combine the respective rank lists produced by different attributes of user preferences. Furthermore, the learned user preferences are structured as a taxonomic hierarchy (a simple ontology). We use the learned ontology to store the attributes such as, th...

Usability engineering is the process of involving users throughout the development cycle to produce user-centric, easy to use software. The process model of involving users throughout this cycle is called user-centered design. Although a logical and proven model, the success of this process is often impeded by poor transference of knowledge between usability engineers, interaction designers, an...