The advancement of the Internet of Medical Things (IoMT) has transformed healthcare delivery by enabling real-time health monitoring. However, it introduces critical challenges related to latency and, more importantly, the secure handling of sensitive patient data. Traditional cloud-based architectures often struggle with latency and data protection, making them inefficient for real-time healthcare scenarios. T...
The objective of this paper is to empirically examine the relationship between the firms' ownership and control structure, in particular the presence of foreign capital, and its financial performance. [...]
Tese de Doutoramento em Economia e Gestão, com o titulo Pairs trading: Hedding with an edge? sob orientação dos Professores Doutores Luis Miguel Pacheco e Sandra Ramos.
Risk attitude, as conceptualized in the classic economic approach, reflects the individual’s sensitivity to disparities in outcomes (i.e., payoffs) variance (Yechiam & Ert, 2011). Brachinger and Weber (1997) further propose that risk attitude depends on the tendency to prefer/avoid risk over certainty. Thus, the degree of risk acceptance underlies risk attitudes. Likewise, Risk-Return models (Weber & Milliman, ...
The objective of this paper is to empirically examine the relationship between the firms’ degree of internationalization and their financial performance. The literature about performance determinants is abundant however, the relation between internationalization and profitability in the context of Small and Medium Enterprises (SMEs) is much less studied. It is used an unbalanced panel data of 4.133 Portuguese i...
O presente estudo analisa os processos de reestruturação empresarial numa pequena e média empresa (PME) do setor industrial na região de Aveiro, num contexto marcado pela instabilidade económica global, desafios de sustentabilidade ambiental e pela evolução tecnológica. O principal objetivo é compreender de que forma a adoção de planos de ação estratégicos, sustentados por indicadores de desempenho (KPIs), pode...
Programming education has been one of the most complex tasks in higher education over the years. One of the great difficulties that students face when they start a curricular unit linked to programming is to acquire skills which allow them solving real life problems through the use of algorithms. Such skills require the development of the ability to abstract as well as to apply algorithms development techniques...
Gender diversity on Boards of Directors (BoD) has gained increasing prominence in the literature, particularly in the context of corporate governance and financial performance. The present study examines whether there is a relationship between gender diversity on BoD and the financial performance of medium-sized, unlisted Portuguese industrial companies. A quantitative approach was adopted using panel data from...
The study and measurement of consciousness in artificial cognitive systems have been subjects of great interest in the fields of artificial intelligence and neuroscience. This article introduces an innovative model based on the integrated information theory (IIT) aimed at addressing this fundamental issue. The IIT, proposed by Giulio Tononi, offers a robust theoretical approach to comprehend consciousness in te...
Este artigo apresenta uma avaliação de usabilidade do Alfaba, um dispositivo educacional tangível e multissensorial originalmente concebido para apoiar o processo de alfabetização em contextos gerais. Este estudo investiga sua adequação específica ao público de crianças e jovens com Síndrome de Down. A análise envolveu sete participantes, entre 7 e 17 anos, avaliados em sessões individuais realizadas em ambient...