Comportamento do consumidor digital: o caso do e-learning nas licenciaturas do ensino superior português

Dissertação de Mestrado apresentado ao Instituto de Contabilidade e Administração do Porto para a obtenção do grau de Mestre em Marketing Digital, sob orientação do professor Doutor Manuel Silva

Fly by data link: feasibility of a relative navigation solution for aviation relying on a future L-band data link

Trabalho final de Mestrado para obtenção do grau de Mestre em Engenharia de Electrónica e Telecomunicações

ISO 14001:2015: An Improved Tool for Sustainability

ISO 14001 is an International Standard of worldwide acceptance based on the concept that better environmental performance can be achieved when environmental aspects are systematically identified and managed giving a major contribution to Sustainability, through pollution prevention, improved environmental performance and complying with applicable laws. This paper aims to discuss the Sustainability approach through the use of Environmental Management Standards (EMS), the results achieved by organizations that implement and certify those EMS and a special focus on the current process of ISO 14001:2015 revision and the logic behind it.

Reactive power management strategies in future smart grids

The reactive power management in distribution network with large penetration of distributed energy resources is an important task in future power systems. The control of reactive power allows the inclusion of more distributed recourses and a more efficient operation of distributed network. Currently, the reactive power is only controlled in large power plants and in high and very high voltage substations. In this paper, several reactive power control strategies considering a smart grids paradigm are proposed. In this context, the management of distributed energy resources and of the distribution network by an aggregator, namely Virtual Power Player (VPP), is proposed and implemented in a MAS simulation tool. The proposed methods have been computationally implemented and tested using a 32-bus distribution network with intensive use of distributed resources, mainly the distributed generation based on renewable resources. Results concerning the evaluation of the reactive power management algorithms are also presented and compared.

Marketing for future: Eddmi – Pass Platform

In a highly competitive market companies know that having quality products or provide good services is not enough to keep customers "faithful". Currently, quality of products/services, location and price are fundamental aspects customers expect to get on every purchase, so they look for ways to distinguish companies. This can happen either in a strictly materialistic way or by evaluation of intangible metrics such as having his opinion appreciated or being part of a selected group of "premium" customers. Therefore, companies must find ways to value and reward its customers in order to keep them "faithful" to their products or services. Loyalty systems are one means to achieve this goal, however, due to its nature and how they are implemented, often companies end up having low acceptance, without achieving intended objectives. In an era of technological revolution, where global average adoption of smartphones and tablets is 74% and 40% [Our Mobile Planet, 2014], the opportunity to reinvent loyalty systems reappears. Throughout this thesis a new tool, relying on the latest technologies and aiming to fulfill this market opportunity, will be presented. The main idea is to use ancient loyalty concepts, such as stamps or pointscards, and transforms them into digital cards, to be used in digital wallets, introducing an innovative technology component based on Apple's Passbook technology. The main goal is to create a platform for managing the card’s life cycle, allowing anyone to create, edit, distribute and analyze the data, and also create a new communication channel with customers, improving the customer-­‐supplier relationship and enhancing the mobile-­‐marketing.

Clinical patterns and seasonal trends in respiratory syncytial virus hospitalizations in São Paulo, Brazil

The respiratory viruses are recognized as the most frequent lower respiratory tract pathogens for infants and young children in developed countries but less is known for developing populations. The authors conducted a prospective study to evaluate the occurrence, clinical patterns, and seasonal trends of viral infections among hospitalized children with lower respiratory tract disease (Group A). The presence of respiratory viruses in children's nasopharyngeal was assessed at admission in a pediatric ward. Cell cultures and immunofluorescence assays were used for viral identification. Complementary tests included blood and pleural cultures conducted for bacterial investigation. Clinical data and radiological exams were recorded at admission and throughout the hospitalization period. To better evaluate the results, a non- respiratory group of patients (Group B) was also constituted for comparison. Starting in February 1995, during a period of 18 months, 414 children were included- 239 in Group A and 175 in Group B. In Group A, 111 children (46.4%) had 114 viruses detected while only 5 children (2.9%) presented viruses in Group B. Respiratory Syncytial Virus was detected in 100 children from Group A (41.8%), Adenovirus in 11 (4.6%), Influenza A virus in 2 (0.8%), and Parainfluenza virus in one child (0.4%). In Group A, aerobic bacteria were found in 14 cases (5.8%). Respiratory Syncytial Virus was associated to other viruses and/or bacteria in six cases. There were two seasonal trends for Respiratory Syncytial Virus cases, which peaked in May and June. All children affected by the virus were younger than 3 years of age, mostly less than one year old. Episodic diffuse bronchial commitment and/or focal alveolar condensation were the clinical patterns more often associated to Respiratory Syncytial Virus cases. All children from Group A survived. In conclusion, it was observed that Respiratory Syncytial Virus was the most frequent pathogen found in hospitalized children admitted for severe respiratory diseases. Affected children were predominantly infants and boys presenting bronchiolitis and focal pneumonias. Similarly to what occurs in other subtropical regions, the virus outbreaks peak in the fall and their occurrence extends to the winter, which parallels an increase in hospital admissions due to respiratory diseases.

25 anos de Inquérito Nacional de Saúde em Portug

RESUMO - O Inquérito Nacional de Saúde é um instrumento de observação em saúde promovido pelo Ministério da Saúde desde 1987, em resposta às necessidades crescentes de informação de saúde ligadas ao estabelecimento e às exigências de planeamento e avaliação decorrentes da instituição do Serviço Nacional de Saúde. O Inquérito Nacional de Saúde conta, até agora, com quatro edições. Os dados provêm através do estudo transversal de amostras probabilísticas da população portuguesa, através de entrevistas no domicílio, utilizando instrumentos e métodos válidos e estáveis. Os indicadores gerados descrevem o estado de saúde, utilização de cuidados de saúde e determinantes de saúde da população portuguesa residente em unidades de alojamento familiar e tem representatividade a nível nacional e regional. Além de útil para a investigação dos padrões e tendências na área da saúde da população, esta informação é importante como elemento de planeamento, na identificação de necessidades em saúde e na avaliação dos eventuais efeitos e impactes das intervenções realizadas na saúde da população. A evolução do Inquérito Nacional de Saúde depende da definição das necessidades de informação epidemiológica por parte do Estado e da sua integração no sistema europeu de inquéritos de saúde. --------------------------ABSTRACT – The National Health Interview Survey is an instrument of observation in health promoted by the Ministry of Health since 1987, in response to the growing demand for health information, derived from the institution of the National Health Service, as well as its planning and evaluation activities. The National Health Interview Survey has had four editions so far. Data are obtained through the cross-sectional study of probabilistic samples of the Portuguese population, through interviews at home, using valid and stable instruments and methods. Obtained indicators describe the state of health, use of health care and health determinants of the Portuguese population living in familiar dwellings, and are representative at national and regional levels. Besides its usefulness for the study of patterns and trends, this information is important for planning purposes, in the identification of health needs and for the evaluation of the eventual effects of the planned health interventions. The future of the National Health Interview Survey depends on the State’s definition of the needs of epidemiological information and also on its participation in the European system of health surveys. Keywords: health surveys; health indicators; epidem

DEWI - Wirelessly into the Future

Euromicro Conference on Digital System Design (DSD2015), EPDSD - 3rd European Projects in Digital System Design, Funchal, Portugal.

Novas Próteses para Substituição Valvular Cardíaca

This paper focus on the most common used prosthesis for replacement of diseased heart valves, when repair is not feasible. A brief historical review is made. New prosthesis and the trends for the future are also addressed.

The International Multilateral System: Imperatives of Change, Potential Scenarios and Suggestions for the Future

Thesis presented to satisfy the necessary requirements for obtaining a PhD degree in International Relation with specialization in Globalization and the Environment,

Epilepsy and Cerebral Palsy: Characteristics and Trends in Children Born in 1976 - 1998

Background: Although epilepsy is common in children with cerebral palsy (CP), no data exists on prevalence rates of CP and epilepsy. Aims: To describe epilepsy in children with CP, and to examine the association between epilepsy and neonatal characteristics, associated impairments and CP subtypes. Methods: Data on 9654 children with CP born between 1976 and 1998 and registered in 17 European registers belonging to the SCPE network (Surveillance of Cerebral Palsy in Europe)were analyzed. Results: A total of 3424 (35%) children had a history of epilepsy. Among them, seventy-two percent were on medication at time of registration. Epilepsy was more frequent in children with a dyskinetic or bilateral spastic type and with other associated impairments. The prevalence of CP with epilepsy was 0.69 (99% CI, 0.66e0.72) per 1000 live births and followed a quadratic trend with an increase from 1976 to 1983 and a decrease afterwards. Neonatal characteristics independently associated with epilepsy were the presence of a brain malformation or a syndrome, a term or moderately preterm birth compared with a very premature birth, and signs of perinatal distress including neonatal seizures, neonatal ventilation and admission to a neonatal care unit. Conclusions: The prevalence of CP with epilepsy followed a quadratic trend in 1976e1998 and mirrored that of the prevalence of CP during this period. The observed relationship between epilepsy and associated impairments was expected; however it requires longitudinal studies to be better understood.

Cation transporters/channels in plants: Tools for nutrient biofortification

Cation transporters/channels are key players in a wide range of physiological functions in plants, including cell signaling, osmoregulation, plant nutrition and metal tolerance. The recent identification of genes encoding some of these transport systems has allowed new studies toward further understanding of their integrated roles in plant. This review summarizes recent discoveries regarding the function and regulation of the multiple systems involved in cation transport in plant cells. The role of membrane transport in the uptake, distribution and accumulation of cations in plant tissues, cell types and subcellular compartments is described. We also discuss how the knowledge of inter- and intra-species variation in cation uptake, transport and accumulation as well as the molecular mechanisms responsible for these processes can be used to increase nutrient phytoavailability and nutrients accumulation in the edible tissues of plants. The main trends for future research in the field of biofortification are proposed.

O Futuro dos Centros de Dados

Atualmente, as Tecnologias de Informação (TI) são cada vez mais vitais dentro das organizações. As TI são o motor de suporte do negócio. Para grande parte das organizações, o funcionamento e desenvolvimento das TI têm como base infraestruturas dedicadas (internas ou externas) denominadas por Centro de Dados (CD). Nestas infraestruturas estão concentrados os equipamentos de processamento e armazenamento de dados de uma organização, por isso, são e serão cada vez mais desafiadas relativamente a diversos fatores tais como a escalabilidade, disponibilidade, tolerância à falha, desempenho, recursos disponíveis ou disponibilizados, segurança, eficiência energética e inevitavelmente os custos associados. Com o aparecimento das tecnologias baseadas em computação em nuvem e virtualização, abrese todo um leque de novas formas de endereçar os desafios anteriormente descritos. Perante este novo paradigma, surgem novas oportunidades de consolidação dos CD que podem representar novos desafios para os gestores de CD. Por isso, é no mínimo irrealista para as organizações simplesmente eliminarem os CD ou transforma-los segundo os mais altos padrões de qualidade. As organizações devem otimizar os seus CD, contudo um projeto eficiente desta natureza, com capacidade para suportar as necessidades impostas pelo mercado, necessidades dos negócios e a velocidade da evolução tecnológica, exigem soluções complexas e dispendiosas tanto para a sua implementação como a sua gestão. É neste âmbito que surge o presente trabalho. Com o objetivo de estudar os CD inicia-se um estudo sobre esta temática, onde é detalhado o seu conceito, evolução histórica, a sua topologia, arquitetura e normas existentes que regem os mesmos. Posteriormente o estudo detalha algumas das principais tendências condicionadoras do futuro dos CD. Explorando o conhecimento teórico resultante do estudo anterior, desenvolve-se uma metodologia de avaliação dos CD baseado em critérios de decisão. O estudo culmina com uma análise sobre uma nova solução tecnológica e a avaliação de três possíveis cenários de implementação: a primeira baseada na manutenção do atual CD; a segunda baseada na implementação da nova solução em outro CD em regime de hosting externo; e finalmente a terceira baseada numa implementação em regime de IaaS.