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Frontiers in Education (FIE) Conference

作者： L.E.S. Ramos L.F.W. Goes C.A.P.S. Martins Informatics Institute Pontifical Catholic University of Minas Gerais Belo Horizonte Minas Gerais Brazil Post Graduation Program in Electrical Engineering Informatics Institute Pontifical Catholic University of Minas Gerais Belo Horizonte Minas Gerais Brazil

In this paper we analyze the teaching and learning of parallel processing through performance analysis using a software tool called Prober. This tool is a functional and performance analyzer of parallel programs that we proposed and developed during an undergraduate research project. Our teaching and learning approach consists of a practical class where students receive explanations about some concepts of parallel processing and the use of the tool. They do some oriented and simple performance tests on parallel programs and analyze their results using Prober as a single aid tool. Finally, students answer a self-assessment questionnaire about their formation, their knowledge of parallel processing concepts and also about the usability of Prober. Our main goal is to show that students can learn concepts of parallel processing in a clearer, faster and more efficient way using our approach.

关键词： Education Parallel processing Performance analysis Educational institutions Message passing Parallel programming informatics Workstations Hardware Libraries

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Turing Project: An Open Educational Game to Teach and Learn programming Logic

Turing Project: An Open Educational Game to Teach and Learn ...

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Iberian Conference on Information Systems and Technologies (CISTI)

作者： Josivan P. Silva Ismar F. Silveira Leonardo Kamimura Alcides T. Barboza Post-graduation Program on Electrical Eng. and Computing Mackenzie Presbyterian University São Paulo Brazil Department of Informatics Cruzeiro do Sul University São Paulo Brazil

ISBN: (数字)9789895465903

ISBN: (纸本)9781728167244

The paper proposes an open educational game, for students who have never had contact or who present some difficulty in programming logic. The game, in a playful and fun way, tries to teach the basics of programming logic for the students, allowing the same to acquire knowledge during the gameplay. The game proposed in this paper is called “Turing Project”, a RPG game, in which the student will play the role of the game's hero. By collecting scrolls, items and performing missions, students are expected to learn the concepts related to the logic of programming. A subjective experiment was carried out via a survey with 19 users and the main conclusions points out that students had good experiences during the game, which had positive impact in their learning.

关键词： Games programming profession Education Writing Software Mathematics

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Supporting Collaboration with Forgetting Curves

Supporting Collaboration with Forgetting Curves

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International Conference on Computer Supported Cooperative Work in Design

作者： Hector N. Melo Jéssica P. Silvério Angélica F.S. Dias Juliana B. S. França Adriana S. Vivacqua Marcos R.S. Borges Federal University of Rio de Janeiro (UFRJ) Brazil Post-Graduation Program of Informatics (PPGI) Federal University of Rio de Janeiro (UFRJ) Brazil Federal Rural University of Rio de Janeiro (UFRRJ) Brazil

Competency Management Systems are used to facilitate individual competencies management, both in companies and academia. Most systems use the term “competency management” based only on the technical skills of individuals. This way, the manager ends up not being sure of the accuracy of the technical skills of individuals, forming low-performance and poorly collaborative groups. This paper presents an open source web tool aimed at forming highly collaborative groups. The main contribution of this research is the innovative use of the Forgotten Curve concept and modeling for collaborative based grouping to support the design of work teams.

关键词： Conferences Computational modeling Collaboration Companies Tools Collaborative work

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Effects of combined digital inclusion and physical activity intervention on the cognition of older adults in Brazil

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Gerontechnology 2020年第3期19卷 1-10页

作者： Vicentin, Ana Paula Simões, Eduardo Jardim Bonilha, Ana Claudia Lamoth, Claudine Andreoni, Solange Ramos, Luiz Roberto Program of Post-Graduation in Community Health Department of Preventive Medicine Universidade Federal de Sao Paulo (UNIFESP) São Paulo Brazil Department of Health Management and Informatics School of Medicine University of Missouri Columbia MO United States Center for Human Movement Sciences University Medical Centre University of Groningen Groningen Netherlands Department of Preventive Medicine Escola Paulista de Medicina Universidade Federal de Sao Paulo (UNIFESP) Sao Paulo Brazil

Background: Cognitive decline in normal aging is a major concern in aging societies as it impacts independence in daily life, quality of life and life expectancy. Population aging in the coming decades makes the prevention of cognitive decline and maintenance of functional capacity, important public health issues due to the social impact and economic costs of the demographic process. Objective: Research aims to evaluate the effectiveness of combined digital inclusion and physical activity interventions in the prevention of cognitive and functional loss among elderly residents in a large urban center in Brazil. The study is a comparative controlled study in primary care setting. Methods: We sampled 112 individuals from a population cohort of adults ages 60 and older, previously evaluated by Clinical Dementia Rating scale (zero and 0.5 scores), without depressive symptoms allocated to intervention group (IG) and control group (CG). IG participants attended a computer-based digital inclusion program combined with physical activity, with 80-min sessions twice a week for 17 weeks, whereas the CG followed their daily routine. We administered neuropsychological tests to all participants at baseline and follow-up (Montreal Cognitive Assessment - MoCA, Mini-Mental Status Exam - MMSE, list of words, verbal fluency, and animal categories), plus an evaluation of independence in activities of daily living – ADL and the Geriatric Depression Scale - GDS. Results: An intention-to-treat analysis showed an average increase of 1.23 points in MoCA scores after the intervention (p=0.012). Secondary analysis considering the number of sessions attended showed that MoCA scores increased 0.074 points on average for each session attended (p<0.001) and MMSE scores increased 0.029 points on average for each session attended (p<0.022). There were no statistical differences post-intervention for the other variables. Conclusions: The intervention improved global cognition among elderly residents.

关键词： cognitive intervention controlled trial digital inclusion older adults physical activity intervention

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A new learning method of microprocessor architecture

A new learning method of microprocessor architecture

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Frontiers in Education (FIE) Conference

作者： C.A.P.S. Martins J.B.T. Correa L.F.W. Goes L.E.S. Ramos T.H. Medeiros Prof Informatics Institute and Post-Graduation Program in Electrical Engineering Pontifical Catholic University of Minas Gerais Belo Horizonte Minas Gerais Brazil Pontificia Universidade Catolica de Minas Gerais Belo Horizonte MG BR

We present a new learning method of microprocessor architecture based on design and verification using functional simulation. Our main goals are to improve and optimize the learning process, motivating students to study and learn theoretical and practical aspects of microprocessor architecture, using functional simulators to validate the microprocessor design and to construct knowledge; and develop research activities during an undergraduate course. Our method is based on learning, constructivism theory, problem based learning, group projects, design of academic microprocessors as motivation for theory study/learning and verification of designed microprocessors through functional simulators developed by students. To validate the proposed method we analyze two microprocessors and functional simulators: a digital signal processor using ASIP and RISC concepts, and a RISC ASIP home automation processor. They were developed in a computer architecture course (computer science, PUC-Minas, Brazil) as the application of this method. In the conclusion students and professor analyze the results, highlighting the main differences, advantages and disadvantages of the new method.

关键词： Learning systems Microprocessors Computational modeling Application specific processors Reduced instruction set computing Design optimization Signal analysis Analytical models Digital signal processors Home automation

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An integrative analysis through systems biology tools suggest beta-catenin protein (CTNNB1) interconnecting the main hypotheses of thalidomide teratogenesis

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Reproductive Toxicology 2018年 80卷 19-20页

作者： Thayne W. Kowalski Lucas R. Fraga Mariana Recamonde-Mendoza Julia A. Gomes Lavínia Schüler-Faccini Fernanda S.L. Vianna Post Graduation Program in Genetics and Molecular Biology Genetics Department Federal University of Rio Grande do Sul Brazil System of Information on Teratogenic Agents Service of Medical Genetics Hospital of Clinics of Porto Alegre Brazil Informatics Institute Federal University of Rio Grande do Sul Brazil

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Symptom mapping and personalized care for depression, anxiety and stress: A data-driven AI approach

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Computers in Biology and Medicine 2024年 182卷 109146-109146页

作者： Delgado, Sabrinna Vignola, Rose Claudia Batistelli Sassi, Renato José Belan, Peterson Adriano Araújo, Sidnei Alves de Nove de Julho University − UNINOVE Informatics and Knowledge Management Post-Graduation Program Vergueiro Street 235/249 SP São Paulo01504-001 Brazil Federal University of São Paulo − UNIFESP Department of Health Education and Society Ana Costa Avenue 95 Vl. Mathias SP Santos11060-001 Brazil

Background: Depression, anxiety, and stress disorders have significant and widespread impacts worldwide, affecting millions of individuals and their communities. According to the World Health Organization, depression impacts the daily lives of more than 300 million people, making it one of the most important diseases globally. Treatment for these mental disorders (MD) typically involves medication and psychotherapies, but also incorporates technological resources like Artificial Intelligence (AI) to indicate personalized therapies and care. While various AI approaches have been applied in the context of MD in the literature, they often focus solely on aiding diagnosis. Objective: This research proposes an AI approach for mapping symptoms and assisting in the personalized care of depression, anxiety, and stress. Methods: Symptom mapping utilizes data mining (DM) techniques to generate rules representing knowledge extracted from data of 242 patients collected using the Depression, Anxiety, and Stress Scale (DASS-21). This knowledge elucidates how symptoms impact the severity degrees of considered MDs. Subsequently, the generated rules are employed to construct a Fuzzy Inference System (FIS) for inferring the severities of MDs based on patient symptoms and personal data. Results and conclusions: The results achieved in the DM (accuracy ≥92.98 %, sensibility ≥86.02 %, specificity ≥97.32 %, and kappa statistic ≥87.98 %), indicating consistent patterns, along with the results produced by the FIS, demonstrate the potential of the proposed approach to assist health professionals in rapidly predicting symptoms of depression, anxiety, and stress, thereby facilitating outpatient screening and emergency care. Furthermore, it can improve the association of symptoms, referral to specialized care, therapeutic proposals, and even investigations of other diseases unrelated to MD. © 2024 Elsevier Ltd

关键词： Mental disorders DASS-21 Symptom mapping AI Data mining Fuzzy logic

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An Estimate of the Cost of Hepatitis C Treatment for the Brazilian Health System

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Value in Health Regional Issues 2012年第2期1卷 129-135页

作者： Blatt, Carine Raquel Bernardo, Noemia Liege Maria da Cunha Rosa, Junior Andre Bagatini, Fabiola Alexandre, Rodrigo Fernandes Balbinotto Neto, Giacomo Siebert, Uwe Rocha Farias, Mareni Pharmacy Post Graduation Program University of Santa Catarina State UFSC Florianópolis SC Brazil Department of Public Health and Health Technology Assessment UMIT - University for Health Sciences Medical Informatics and Technology Hall in Tirol Austria University of Santa Catarina South UNISUL Tubarão SC Brazil Ministry of Health Brasília DF Brazil University of Rio Grande do Sul State Porto Alegre RS Brazil ONCOTYROL - Center for Personalized Cancer Medicine Innsbruck Austria Department of Health Policy and Management Harvard School of Public Health Boston MA United States Institute for Technology Assessment and Department of Radiology Massachusetts General Hospital Harvard Medical School Boston MA United States

Objectives: Hepatitis C therapy in Brazil is expensive due to the cost of antiviral drugs and demands on medical resources. The objective of this study was to estimate the direct costs per patient of chronic hepatitis C therapy in a Brazilian setting. Method: A microcosting study from a public health system perspective. The costs included were those of antiviral drugs, secondary medicines, diagnostic tests, visits to physicians and other professionals, hospitalization, nurse, and pharmaceutical care. All costs were priced in 2010. The values were converted to US $ (2010). Results: The total direct cost of hepatitis C treatment per patient with interferon alpha (IFN) plus ribavirin (RBV) was US $982.25, with peginterferon alpha (PEG) 2a 180 μg plus RBV was US $10,658.08, and with PEG 2b 120 μg plus RBV was US $12,597.63, taking into account entire treatment according to Brazilian guidelines and assuming that all patients completed full treatment. The antiviral drugs are the most expensive element of the cost of treatment, totaling more than 40% of the medical costs of IFN plus RBV therapy and more than 88% of PEG plus RBV therapy. Calculating an average of 10,000 treatments per year, the total direct cost is US $90,346,772.39. According to the Ministry of Health, 90% of the annual total cost of hepatitis C treatment is accounted for by antiviral drugs. Conclusions: In Brazil, antiviral drugs are the most expensive component of hepatitis C treatment. The cost of follow-up and support to patients is minimal compared with the cost of antiviral drugs. © 2012 International Society for Pharmacoeconomics and Outcomes Research (ISPOR).

关键词： Direct cost Hepatitis C Hepatitis C treatment Interferon

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Corporate Venture Capital and Sustainability

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Journal of Open Innovation: Technology, Market, and Complexity 2022年第3期8卷

作者： Döll, Luciano Mathias Ulloa, Micaela Ines Castillo Zammar, Alexandre Prado, Guilherme Francisco do Piekarski, Cassiano Moro Post-Graduation Program of Production Engineering Federal University Technology (UTFPR) Ponta Grossa 84016-210 Brazil Department of Informatics Universidade Estadual de Ponta Grossa (UEPG) Ponta Grossa 84030-900 Brazil Coordination of Technology in Mechanical Manufacturing Instituto Federal de Santa Catarina (IFPR) Florianópolis 88020-300 Brazil

Corporate Venture Capital (CVC) has been receiving increasingly more attention all over the world as a special way for accessing new ideas and innovative opportunities through minor-share investing in established companies. The purpose of CVC investments may either be purely financial or to pursue strategic goals. Organisations often seek to take actions that impact positively on sustainability by assembling related knowledge and technologies. These resources may come from invested startups through the use of a CVC programme. This research aims to measure and analyse the Corporate Venture Capital programmes of companies listed in the ISE B3 Corporate Sustainability Index. To this end, a three-step methodology was conducted. First, a systematic review of the literature took place, followed by a review of companies based on secondary sources such as their websites. Finally, a survey was developed and was opted to survey companies through their Investor Relationship (IR) public channels. Results show that 27 of the companies listed in the ISE B3 Index have CVC programmes that contemplate organizational initiatives besides investment. In this sense, one can claim that at least 70% of the ISE B3 Index companies are somehow involved in CVC operations. The results contribute to the literature on corporate venture capital and sustainability by showing that companies spend from 10% to 15% of their capital in sustainable businesses in order to remain competitive. © 2022 by the authors.

关键词： corporate venture capital open innovation startups sustainability

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A Parametric QoE Video Quality Estimator for Wireless Networks

A Parametric QoE Video Quality Estimator for Wireless Networ...

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Institute of Electrical and Electronics Engineers Globecom Workshops

作者： E. Cerqueira Augusto Neto M. Curado A. Riker R. Immich H. Barros E. Aguiar A. Abelem Federal University of Para (UFPA) Federal University of Ceara Department of Informatics Engineering (DETI) Fortaleza-CE Institute of Telecommunications Aveiro University of Coimbra Department of Informatics Engineering (DEI) Federal University of Rio Grande do Norte Post Graduation Program in Computer Systems (PPgSC)

ISBN: (纸本)9781467349420

The development of real-time quality estimator schemes for emerging Internet videos with different content types remains a significant challenge and is crucial for the success of wireless multimedia systems. However, currently in-service assessment schemes fail in capturing subjective aspects of multimedia content related to the user perception. Therefore, this paper proposes an on-the-fly parametric video quality estimator approach (called MultiQoE) for real-time video streaming applications. Experiments in a Wireless Mesh Network (WMN) scenario were carried out to show the accuracy, benefit, and impact of MultiQoE compared to widely used Quality of Experience (QoE) subjective, objective and parametric methods.

关键词： Quality of Experience Video Streaming Wireless Mesh Networks Service Assessment

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