Leonel Nóbrega

Leonel Nóbrega
Universidade da Madeira | UMA · Centro de Ciências Exactas e da Engenharia

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16
Publications
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525
Citations

Publications

Publications (16)
Article
Full-text available
As technology innovation rapidly changes service experiences, service designers need to leverage technology and orchestrate complex service systems to create innovative services while enabling seamless customer experiences. Service design builds upon contributions from multiple fields, including management, information technology, and interaction d...
Conference Paper
Full-text available
Health information systems are becoming ubiquitous throughout healthcare delivery processes. Governments, enticed by the potential for improved patient care and cost reduction, are pushing for more integrated IT systems in healthcare. However, the successful adoption of these systems depends on the value they create as a service for healthcare prof...
Article
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In model-based engineering (MBE), the abstraction power of models is used to deal with the ever increasing complexity of modern software systems. As models play a central role in MBE-based develop- ment processes, for the adoption of MBE in practical projects it becomes indispensable to introduce rigorous methods for ensuring the correctness of the...
Conference Paper
Full-text available
This work presents a model-driven design process, by which our research team successfully developed a cross-platform system to support an innovative service in short time. Essentially based on co-design and agile development approaches, we applied methods and models developed in user experience design, marketing management and software engineeri...
Conference Paper
Full-text available
The development and widespread market acceptance of recent technological devices, such as smart phones and tablets, poses new challenges and great opportunities for innovative service designs. In fact these devices no longer merely replicate the same functionalities in different contexts, they can also dynamically interact among themselves when in...
Article
Full-text available
Purpose – Customer experience has become increasingly important for service organizations that see it as a source of sustainable competitive advantage, and for service designers, who consider it fundamental to any service design project. Design/methodology/approach – Integrating contributions from different fields, CEM was conceptually developed to...
Conference Paper
Full-text available
Service design is a multidisciplinary human-centered field that involves a deep understanding of people, context, service providers, market strategies, and social practices, with the aim of designing service offerings that enable customers to co-create valuable experience. To deal with the complexity of service design challenges there is a need to...
Conference Paper
Full-text available
Designers aspire to create engaging and desirable experiences. To that end they study users, aiming to better understand their preferences, ways of thinking and desired outcomes. In the service sector this task is more intricate as experiences encompass the whole customer journey, or the sequence of moments of interaction between customer and compa...
Conference Paper
Full-text available
A modeling tool not only helps users express their ideas and thoughts but also serves as a communication platform among domain experts, designers, developers, and others practitioners. Existing modeling tools have shortcomings in terms of supported functionality and situated usability or do not meet the needs of users of varying levels of expertise...
Conference Paper
Full-text available
UML has become the standard language for modelling in different areas and domains, but it is widely recognized that it lacks support for User Interface Design (UID). On the other hand, ConcurTaskTree (CTT) is one of the most widely used notations for task and dialogue modelling. An important achievement is the proposed notation and semantics for CT...
Conference Paper
The Model Driven Development has its foundations on metamodeling and new tools are required in order to support users on the definition and customization of their modeling languages. The MetaSketch Editor takes advantage of the current OMG technology to provide the metamodeling mechanisms required to support the integration of some widely used huma...
Conference Paper
The ConcurTaskTrees (CTT) is one of the most widely used nota- tions for task modeling, specifically tailored for user interface model-based de- sign. The integration of CTT with a de facto standard modeling language was already identified as an import issue, but there is no consensus about the best approach to achieve this goal. The purpose of thi...
Conference Paper
Full-text available
ConcurTaskTrees (CTT) is one of the most widely used notations for task modeling, specifically tailored for user interface model-based design. The integration of CTT with a de facto standard modeling language was already identified as an important issue, but there is no consensus about the best approach to achieve this goal. The purpose of this pap...
Conference Paper
Full-text available
In this paper, we argue that the combination of task modeling with abstract prototyping improves the effectiveness of the user interface design at an early stage of the development process. Currently there is no effective way to connect popular task and presentation based formalisms (e.g. ConcurTaskTrees - CTTs and Canonical Abstract Prototypes - C...
Conference Paper
When we consider models in model-based design (MBD) approaches in the HCI field, we can say that the first generation of tool for user interface construction was based on database models. The second generation of MBD approaches includes models such as the user model, task model, cognitive model, system model etc. However, the third generation of mo...
Conference Paper
Full-text available
We consider Robert Axelrod's tribute model at the light shed by the development of a choice framework called BVG (beliefs, values and goals). BVG agents use multi-varied, situated and individual ratio- nality to perform adaptive choices in social environments. We then take the original experiment and carry it over using this choice sheme. By explic...

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