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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...
The development of a Rich Internet Application is particularly challenging because its user interface can involve highly interactive techniques that require substantive programming that is mostly done by hand nowadays. This paper addresses this challenge by introducing a model-driven engineering approach where a zoomable user interface of such a rich Internet application is obtained successively by...
A user interface description language (UIDL) consists of a specification language that describes various aspects of a user interface under development. A comparative review of some selected user interface description languages is produced in order to analyze how they support the various stages of user interface development life cycle and development goals, such as support for multi-platform, device-independence,...
This paper presents a model-based approach for developing vectorial user interfaces to an interactive applications, whether it is a web or a stand-alone applications. A vectorial user interface exhibits the capability of being rescaled in any dimension without any loss of information, while taking advantage of the screen real estate offered by the computing platform on which the interactive application...
Researchers have greatly studied the importance of automatic database user interface generation based on declarative models. The task, domain and user models are three important declarative models on which the user interface can be built. This paper then proposes a framework, i.e., a methodological process and a software prototype to drive the automatic database user interface design and code behind...
Given its current state of the art, model-based UI development (MBDUI) is able to fulfill the major requirements of desktop and mobile applications, such as form-based user interfaces that adapt to the actual context of use. More recent research deals with the development of 3D interactive multimodal environments. Though user-centered design is more and more driving the design of these environments,...
The world of the mobile devices involves restrictive features. Multiple efforts have been done to define the user interface. Here, it is combined a neutral description of the UI with a semantic recovery of information. The focus of this paper is the generation of the containment structure based on the context of the application. The process includes three main tasks: first a fixed division of the...
This paper addresses a methodology for developing the various user interfaces (UI) of a workflow information system (WIS), which are advocated to automate business processes, following a model-centric approach based on the requirements and processes of the organization. The methodology applies to: 1) integrate human and machines based activities, in particular those involving interaction with IT applications...
A critical success factor for enterprise application development is to get the systems specifications validated early in the planning and development process. Specification errors that are identified early on in the process are easier and less costly to fix. However, all too frequently business users only discover the impact of specifications once a system is deployed. It is therefore important to...
In order to design a user interface of a secure interactive application, a method is provided to designers with guidance in designing an adequate security information feedback using a library of user interface design patterns integrating security and usability. The resulting feedback is then evaluated against a set of design/evaluation criteria called Human-Computer Interaction for Security (HCI-S)...
A pluripotent information system is an open and distributed information system that (i) automatically adapts at runtime to changing operating conditions, and (ii) satisfies both the requirements anticipated at development time, and those unanticipated before but relevant at runtime. Engineering pluripotency into an information system therefore responds to two recurring critical issues: (i) the need...
This paper defines an approach to maintain the work of business process analysis aligned with the work of UI designers. With this approach, models are derived from each other and aligned in order to more efficiently propagate changes when needed. In this way, each model modification could be adequately propagated in the rest of the chain. By applying this model-driven approach, the user interfaces...
A Multi-target user interface is composed of a series of interconnected variations of the same user interfaces, but tailored for different targets or different contexts of use. When access to software applications must be guaranteed in more than one context of use, it is necessary to adapt these user interfaces in order to preserve their usability when the switch between contexts occur. For this purpose,...
A pattern-based approach to user interface development is presented that is explicitly based on artifacts contained in a task and a domain models. Exploiting a task model or a domain model in isolation may lead to patterns that are not user-centered. By combining the exploitation of both models at the same time with priority lead to identifying interaction patterns in a systematic way. Types of relationships...
We have developed GrafiXML, an original user interface builder in that it enables designers and developers to design several UIs simultaneously for multiple contexts of use, i.e. for many users, platforms, and environments. For this purpose, it maintains coordination between three representations: an internal representation consisting of specifications in USer Interface extensible Markup Language...
This paper addresses the need for designing user interfaces (UIs) to workflow information systems by adopting a model-centric approach. We introduce a conceptual workflow model to determine system functionalities of workflow. The model is exploited in order to systematically derive UIs to access these functionalities. The workflow model is recursively decomposed into processes which are in turn decomposed...
Distributed user interfaces (DUIs) are those interfaces whose different parts can be distributed in time and space on different monitors, screens, and computing platforms, depending on several parameters expressing the context of use, such as the user, the computing platform, and the physical environment in which the user is carrying out her interactive task To understand and classify existing approaches...
Several tools for working with guidelines already exist, both as commercial products as well as within research and development. As these tools frequently manipulate guidelines during many development steps of a user interface of an interactive application, they can overthrow any approach followed to develop this application. They also raise the fundamental question of to what extent can we trust...
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