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FERREIRA VIVEIROS TAVARES DOS REIS, CATARINA ISABEL

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Now showing 1 - 10 of 28
  • Data visualization techniques for real-time information — A custom and dynamic dashboard for analyzing surveys' results
    Publication . Toasa, Renato; Maximiano, Marisa; Reis, Catarina I.; Guevara, David
    To achieve the most understandable and accurate display of information, a study on the available techniques of data visualization for real-time information must be made. Customizing existing platforms and designing specific boards, are among the important task to perform an accurate visualization of the information. In this paper, we conduct a literature review of data visualization, its techniques and existing dashboard platforms. We implemented a generic and dynamic dashboard based on real-time information with the aim to assess the impact of the available Data Visualization Techniques in the developed dashboard. Therefore, our Dashboard users will be able to interact with the information, based on an initial set of hints, charts, tables and reports, produced by the Dashboard itself. This will allow us to test an existing set of data visualization techniques and create a new tailored dashboard, showing that dashboards can become a unique and powerful means to provide information
  • Development of an mHealth Platform for Adolescent Obesity Prevention: User-Centered Design Approach
    Publication . Reis, Catarina I.; Pernencar, Cláudia; Carvalho, Marta; Gaspar, Pedro; Martinho, Ricardo; Frontini, Roberta; Alves, Rodrigo; Sousa, Pedro
    Obesity is a chronic condition that influences the quality of life of patients and families while increasing the economic burden for the world population. Multidisciplinary prevention programs are crucial to address it, allowing an early introduction of healthy behaviors into daily habits. Mobile health interventions provide adequate support for these programs, especially considering the gamification techniques used to promote users’ engagement. TeenPower is a multidisciplinary mHealth intervention program conducted in Portugal during 2018 to empower adolescents, promoting healthy behaviors while preventing obesity. An agile software development process was applied to the development of the digital platform that holds a web-based application and a mobile application. We also propose a model for future developments based on the user-centered design approach adopted for this development and the assessment conducted in each phase. The user-centered design approach model proposed has three distinct phases: (1) design study; (2) pre-production usability tests; and (3) post-production data. Phase 1 allowed us to obtain the high-fidelity version of the graphical user interfaces (n = 5). Phase 2 showed a task completion success rate of 100% (n = 5). Phase 3 was derived from statistical analysis of the usage of the platform by real end users (n = 90). We achieved an average retention rate of 35% (31 out of 90 participants). Each technique has provided input for the continuous design and improvement of the platform. This allowed the creation of a tailored platform that could meet users’ expectations. Nevertheless, the retention rate decreased significantly over a short period of time, revealing the need for further work in the improvement of the gamification experience.
  • E-Therapy
    Publication . Reis, Catarina I.; Freire, Carla; Monguet, Josep M.
    Nowadays, Information and Communication Technologies (ICT) are being used in the mental health field to improve the quality of the services provided. Several studies refer both advantages and disadvantages for these practices. E-Therapy appears as a new way to help people in their life and existing relationships, and there is proven evidence that online therapy helps, for instance, to reduce depression symptoms. It is also seen as a complement of the technological and traditional techniques, to improve the effectiveness and efficiency of the therapeutic process. As a matter of fact, some people tend to be more comfortable with the computer than in face-toface therapy. Besides patients and physicians, other direct players could be found in this domain, namely, families and caregivers. All players will be directly affected by the use of existing services and thus, a correct assessment of the effectiveness of e-Therapy solutions and studies is required. eSchi is a multimedia portal that enables an e-Therapy setting for schizophrenia patients. Currently under development, the system is described and future trends in the area are depicted.
  • An Experimental Evaluation of ITL, TDD and BDD
    Publication . Cisneros, Luis A.; Reis, Catarina I.; Maximiano, Marisa; Quiña, José A.
    Agile development embodies a distancing from traditional approaches, allowing an iterative development that easily adapts and proposes solutions to changing requirements of the clients. For this reason, the industry has recently adopted the use of its practices and techniques, e.g., Test-Driven Development (TDD), Behavior-Driven Development (BDD), amongst others. These techniques promise to improve the software quality and the productivity of the programmers; therefore, several experiments, especially regarding TDD, have been carried out within the academy and in industry. These show variant results (some of them with positive effects and others not so much). The main goal of this work is to verify the impact made by the TDD and BDD techniques in software development, analyzing their main promises regarding quality and productivity. We aim to conduct the experience in the academy, with a group of students from the Systems Engineering Degree of the Universidad Técnica del Norte, Ecuador. The students will receive training and appropriate education to improve knowledge about it, and we aspire to achieve interesting results concerning both quality and productivity. The challenge that it is also desirable, is to replicate the experiment in the industry or other adequate contexts.
  • Monitor and Visualize Schizophrenic Patients' Performance in e-Therapy Contexts
    Publication . Reis, Catarina Isabel Ferreira Viveiros Tavares dos; Fernández Sánchez, Joaquín; Monguet Fierro, José María
    A e-Terapia surge no contexto da e-Saúde Mental como uma nova forma de conduzir sessões de terapia através da utilização das Tecnologias da Informação e da Comunicação (TIC). A e-Terapia tem como principal objectivo melhorar a qualidade dos serviços fornecidos e o bem-estar das pessoas, oferecendo serviços e informação através da Internet e de outras TIC. Esta nova forma de ajuda permite melhorar a qualidade de vida das pessoas no seu dia-a-dia e, eventualmente, os seus relacionamentos interpessoais. O trabalho aqui descrito está integrado num projecto de e-Terapia com uma equipa multidisciplinar de profissionais de saúde, engenheiros de software e designers gráficos. O intuito deste projecto consiste na concepção, criação e entrega de uma ferramenta de e-Terapia especialmente dedicada à população dos utentes diagnosticados com esquizofrenia do Hospital Sant Joan de Déu, em Barcelona, Espanha. eSchi é o sistema de e-Terapia que desenvolvemos. Surge como solução que fornece um portal web com um conjunto integrado de ferramentas multimédia que ajudam no processo de reabilitação cognitiva dos utentes com dia- gnóstico de esquizofrenia. Esta aplicação, feita à medida, fornece um ambiente de e- Terapia para os utentes esquizofrénicos e permite aos profissionais de saúde conduzirem sessões de terapia relacionadas com a cognição usando ferramentas multimédia. Este sistema também irá permitir aos seus utilizadores, tanto aos utentes como aos profissionais de saúde, monitorizar e visualizar os resultados obtidos nas diversas sessões. É importante fornecer feedback aos utilizadores finais e dar-lhes a conhecer o seu desempenho e, em que medida, atingiram os objectivos pretendidos para cada sessão. Como resultado, o sistema usa um modelo de monitorização para registar o desempenho dos utentes e um modelo de visualização para apresentar o feedback gráfico e visual adequado para os utilizadores. Resumindo, o principal objectivo é estudar o que se pode aprender quando se registam e visualizam os resultados de utentes diagnosticados com esquizofrenia envolvidos em sessões de e-Terapia. De forma a obter uma resposta para a questão de investigação, adoptámos uma metodologia eficiente para conduzir o trabalho empírico. Elegemos o caso de estudo como meio de abordagem e, mais especificamente, optámos por múltiplos casos de estudo exploratórios. Só depois de obter os dados será possível analisar e explorar a informação. Os resultados destes casos de estudo não são previsíveis. Perante a selecção do método de caso de estudo foi tido em especial consideração o facto de se obter os dados recorrendo a uma grande diversidade de técnicas (entrevistas, observação participatória, trabalho de campo e fontes de dados escritas tais como memos, cartas, relatórios e mensagens de correio electrónico).
  • Smart Campus Parking – Parking Made Easy
    Publication . Vieira, Amanda; Rosa, Iolanda; Santos, Ivo; Paulo, Tiago; Costa, Nuno; Maximiano, Marisa; Reis, Catarina I.
    The number of users of the parking lots from the campus of the Polytechnic of Leiria, a higher education institution in Portugal, has been increasing each year. It is becoming a major concern to the organization to address the high demand for a free parking spot on campus. In order to ease this problem, this paper proposes the design of a smart parking system that can help users to easily find a free parking spot, using an integrated system that includes sensors and a mobile application. The system is based on the information about the occupation status of parking lots generated by parking sensors. This information is available in the mobile application that consumes a REST webservice and is presented to end-users, thus contributing to the decrease of time wasted on the quest of finding a free spot. The software architecture consists on a set of decoupled modules that compute and share the information generated by sensors. This architectural approach is noteworthy because it maximizes the system scalability and responsiveness to change. It allows the system to expand with the integration of new applications and perform updates on the existing ones, without an overall impact on the operations of the other system modules.
  • Blockchain: A Tale of Two Applications
    Publication . Ferreira, Micael; Rodrigues, Sven; Reis, Catarina I.; Maximiano, Marisa
    Bitcoin continues to get more and more attention from the media, mainly because of the volatility of its value and insignificantly associated with the technological innovation. This cryptocurrency is supported by an immutable database and is distributed throughout a network of thousands of nodes, known as Blockchain. One way to ensure that all the concepts behind the Blockchain technology and infrastructure are seized is to conduct the development of one of the most popular context applications for it: a wallet for well-known cryptocurrencies. Yet Another Bitcoin Wallet (YABW) is a hybrid application available for both Android and iOS, which was developed with the Ionic and Angular frameworks. This application communicates with Bitcoin Blockchain to send, receive and store bitcoins; provides a set of features focused on security and user experience, and is available on the Play Store and Apple Store. A rather relevant issue that is becoming a major subject of current research is the application of the Blockchain infrastructure to other contexts that are neither directly connected to cryptocurrencies, nor are finance related. The implementation of a proof-of-concept application proposes the use of a blockchain for a specific case study: the exchange of meal vouchers of an institution amongst students. This is achieved using the decentralized platform Ethereum, which allows us to create a Smart Contract using the Solidity programming language to create a token that follows the Ethereum Request for Comment (ERC), the ERC-20 standard and represents the meal vouchers. This second application uses the architecture defined for YABW, reusing major components and custom developing specific modules to enhance the required features. There is still a lot of research to be done on the non-financial applicability of the Blockchain infrastructure and technology, but for the moment, we have left further evidence that it is possible and is a relative straight-forward process to accomplish from the technological perspective.
  • Patient Centered Design : Challenges and Lessons Learned from Working with Health Professionals and Schizophrenic Patients in e-Therapy Contexts
    Publication . Reis, Catarina I.; Freire, Carla; Fernández, Joaquin; Monguet, Josep M.
    Patient Centered Design (PCD) is a particular type of User Centered Design (UCD) where the end-user is a patient that will use an Information and Communications Technology (ICT) solution for healthcare. It focuses on needs, wants and skills of the product’s primary user and implies involving end-users in the decision-making and development process of the solution. e-Therapy aims to provide support to therapy sessions through ICT solutions. In the mental health arena is being used for specific therapeutic contexts and is an especially difficult environment due to specificities of the patients' conditions; the physical access to patients is restricted and, sometimes, not even possible. Thus, a PCD approach can be accomplished through the health professionals involved, applying some of the most well-known methods of UCD: interviews, questionnaires, focus groups and participatory design. eSchi is an e-Therapy tool that complements traditional practices for the cognitive rehabilitation and training of schizophrenic patients and was successfully developed using a PCD approach.
  • Care4Value: medição de valor em saúde em Unidades de Cuidados Continuados Integrados
    Publication . Reis, Catarina I.; Maximiano, Marisa; Ferreira, Pedro Henrique; Querido, Ana; Sargento, Ana Lúcia Marto; Carvalho, Henrique; Leal, Susana Cristina Henriques; Oliveira, Sandra Margarida Bernardes de
    Objetivo: Desenvolver uma plataforma digital para a otimização do processo de coleta de dados de escalas clínicas e monitoramento desses dados com vista à medição do valor em saúde. Métodos: Por meio de uma metodologia de investigação-ação, o desenvolvimento da plataforma incluiu abordagens qualitativas e quantitativas, em três fases: grupos focais com uma equipe multidisciplinar de investigadores e profi ssionais de saúde da UCCI do estudo-piloto; análise dos dados clínicos em formato de pré-teste de uma amostra de 21 usuários da UCCI para categorizar diferentes graus de complexidade; e, análise de informação fi nanceira, aos custos operacionais da UCCI, relativa ao momento de permanência dos mesmos 21 usuários. O desenvolvimento iterativo e incremental da plataforma permitiu coletar feedback dos usuários como forma de melhoria. Resultados: A plataforma inclui 3 módulos: aplicativo móvel; dashboard; e módulo de importação. A plataforma centraliza os dados coletados e disponibiliza-os por meio de um dashboard. Os dados são coletados por aplicativo móvel e/ou por um módulo de importação que consome dados de sistemas clínicos existentes. Conclusão: O aplicativo móvel está apto a ser utilizado por profi ssionais de saúde e cuidadores, e o dashboard apresenta informações de acompanhamento clínico dos usuários e monitoramento dos seus ganhos em saúde.
  • Collecting Information about Air Quality using Smartphones
    Publication . Pereira, André; Patrício, Beatriz; Fonte, Filipa; Marques, Sandro; Reis, Catarina I.; Maximiano, Marisa
    Nowadays, one of the major public health concerns is the quality of the air that surrounds us and knowing how polluted it might be. To compute the Air Quality Index for a specific geographical site, five pollutants can be considered: particulate matter (PM2.5 and PM10), ground-level Ozone (O3), Nitrogen dioxide (NO2) and Sulphur dioxide (SO2). If we consider the data from both atmospheric conditions and the existence of catastrophic events, we will be able to cross it with existing data from sensor nodes (gathering air pollutants’ data) in order to accomplish a more detailed understanding of the current air quality in a specific area. Our solution introduces a differentiating factor: the concept of turning every smartphone into a dynamic sensor node that can be used to actively contribute to the centralized platform that gathers all the data from the sensor nodes. This feature enables citizens to play a significant and empowering role regarding healthcare conditions. The proposed system integrates several modules including a Custom Delivery Solution (CDS), and, as an alternative, an out-of-the-box solution named ThingSpeak. Both solutions offer a service delivery system to the mobile app that presents the latest data to the users and allows them to submit their own data.