70 documents found, page 1 of 7
Reframing Financial Literacy for the Twenty-First Century: Foundations, Digital...
Tavares, Fernando Oliveira; Almeida, LuisOver the last two decades, financial literacy has emerged as a central determinant of economic wellbeing, social inclusion, and individual empowerment (Tavares et al., 2020). Once conceptualized primarily as a cognitive skill involving basic numeracy and knowledge of financial products, financial literacy has evolved into a multidimensional construct encompassing behavioural, digital, and ethical dimensions (Sa...
Energy savings and emissions reduction of BEVs at an isolated complex intersection
Reddy, Radha; Almeida, Luis; Santos, Pedro Miguel; Kurunathan, Harrison; Tovar, EduardoImproving urban dwellers quality of life requires mitigating traffic congestion, minimizing waiting delays, and reducing fuel wastage and associated toxic air pollutants. Battery-electric vehicles (BEVs) are envisioned as the best option, thanks to zero exhaust emissions and regenerative braking. BEVs can be human-driven or autonomous and will co-exist with internal combustion engine vehicles (ICEVs) for years....
Depression in the Paediatric Population: Current Therapeutic Context and Challe...
Rodrigues, Ana Rita; Palavra, Filipe; Bell, Victoria; Mascarenhas-Melo, Filipa; Almeida, Luis; Veiga, FranciscoMajor depression, as a clinical condition associated with the highest rate of disability worldwide, presents very particular contours when it affects the pediatric population. The biochemical and pathophysiological changes associated with depression are naturally influenced by socioeconomic aspects and family dynamics, which contributes to great heterogeneity and variability in the symptoms expressed by childre...
Qualidades Psicométricas do Questionário de Aferição da Literacia em Avaliação ...
Almeida, LuisA literacia em avaliação é uma característica fundamental que todo o professor deve ter, uma vez que a avaliação dos alunos está numa estreita relação com todo o processo de ensino e aprendizagem. pelo que deverá ser considerada um elemento-chave na melhoria do ensino. O objetivo do presente artigo foi o de analisar as propriedades psicométricas de um instrumento desenvolvido para aferir a literacia em avaliaçã...
Usability of a telehealth solution based on TV interaction for the elderly: the...
Pires, Gabriel; Lopes, Ana; Correia, Pedro; Almeida, Luis; Oliveira, Luís; Panda, Renato; Jorge, Dario; Mendes, Diogo; Dias, Pedro; Gomes, NelsonRemote monitoring of biometric data in the elderly population is an important asset for improving the quality of life and level of independence of elderly people living alone. However, the design and implementation of health technological solutions often disregard the elderly physiological and psychological abilities, leading to low adoption of these technologies. We evaluate the usability of a remote patient m...
Synchronous Management of Mixed Traffic at Signalized Intersections towards Sus...
Reddy, Radha; Almeida, Luis; Gutiérrez Gaitán, Miguel; M. Santos, Pedro; Tovar, EduardoIn urban road transportation, intersections are traffic bottlenecks with increased waiting delays and associated adverse effects. A recently proposed intelligent intersection management (IIM) approach, the Synchronous Intersection Management Protocol (SIMP), synchronizes the vehicles access to simple single-lane isolated intersections, outperforming competing approaches in various performance metrics. In this p...
Multi-Gateway Designation for Real-Time TSCH Networks using Spectral Clustering...
Gutiérrez Gaitán, Miguel; Dujovne, Diego; Zuñiga, Julián; Figueroa, Alejandro; Almeida, LuisThis letter proposes a multi-gateway designation framework to design real-time wireless sensor networks (WSNs) improving traffic schedulability, i.e., meeting the traffic time constraints. To this end, we resort to Spectral Clustering un-supervised learning that allows defining arbitrary k disjoint clusters without knowledge of the nodes physical position. In each cluster we use a centrality metric from social ...
Complex Intersections with a Dedicated Road Lane per Crossing Direction
Reddy, Radha; Almeida, Luis; Santos, Pedro M.; Tovar, EduardoComplex intersections are often busier with a separate road lane per crossing direction, i.e., left, straight, and right. These intersections eliminate the diverging and merging conflicts; thus, vehicles only fall under crossing conflicts within intersections. However, the traditional way of serving vehicles from one road at a time increases traffic congestion and hinders performance. To address this issue, we ...
Waiting Time Analysis for a Network of Signalized Intersections
Reddy, Radha; Almeida, Luis; Santos, Pedro M.; Tovar, EduardoVehicle waiting time or stopped delay is one of the major disadvantages of employing signalized intersections (SIs) in road networks. The waiting time delays occur when vehicles stop in the queue, waiting to access the SI, and vary from road lane to road lane with the intersection management (IM) protocol used. In this research line, we propose an analytical expression for estimating the waiting time delays and...
Two-ray model analysis for overwater communication at 28 GHz with different hei...
Celades-Martínez, Jorge; Rodríguez, Mauricio; Gutiérrez Gaitán, Miguel; Almeida, LuisThis research aims to assess the signal propagation behavior of millimeter waves (mmWaves) over maritime environments. It focuses on the path loss performance of shore-to-vessel and vessel-to-vessel overwater communication at 28 GHz when considering line-of-sight conditions. The study is conducted by means of synthetic simulations at four different receiver antenna heights with respect to the water surface, rep...