For quite some time, in systems and software design, security only came as a second
thought or even as a nice-to-have add-on. However, since the breakthrough of the Internet …

Like any other quality attribute, usability imposes specific constraints on software
components. Features that raise the software system's usability have to be considered from …

Context As a software quality characteristic, usability includes the attributes of efficiency,
effectiveness and user satisfaction. There are several recommendations in the literature on …

A Model for the Specification of Abstract User Interfaces based on Conceptual Patterns is
proposed to enhance the semantic captured by an object-oriented analysis method. The …

In this paper, we examine the contribution that pattern languages could make to user
participation in the design of interactive systems, and we report on our experiences of using …

Interactive systems development is a complex process, because many requirements must
be considered. Traditionally, functional requirements capture the intended behavior of the …

In recent years the Human-Computer Interaction community has witnessed a growing
interest in the use of design patterns and pattern languages, a representation for design …

A proposal for describing Just-UI patterns using a task oriented notation (ConcurTaskTrees)
is presented. This work provides a method to convert a given pattern into a task tree and the …

Like any other quality attribute, usability cannot be achieved at the last development
moment. On the contrary, usability has to be taken into account right from the earliest stages …

For years, the Human Computer Interaction (HCI) community has crafted usability guidelines
that clearly define what characteristics a software system should have in order to be easy to …