834 resultados para Communication and Information Technology
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In Europe, Cardiovascular Diseases (CVD) are the leading source of death, causing 45% of all deceases. Besides, Heart Failure, the paradigm of CVD, mainly affects people older than 65. In the current aging society, the European MyHeart Project was created, whose mission is to empower citizens to fight CVD by leading a preventive lifestyle and being able to be diagnosed at an early stage. This paper presents the development of a Heart Failure Management System, based on daily monitoring of Vital Body Signals, with wearable and mobile technologies, for the continuous assessment of this chronic disease. The System makes use of the latest technologies for monitoring heart condition, both with wearable garments (e.g. for measuring ECG and Respiration); and portable devices (such as Weight Scale and Blood Pressure Cuff) both with Bluetooth capabilities
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Runtime management of distributed information systems is a complex and costly activity. One of the main challenges that must be addressed is obtaining a complete and updated view of all the managed runtime resources. This article presents a monitoring architecture for heterogeneous and distributed information systems. It is composed of two elements: an information model and an agent infrastructure. The model negates the complexity and variability of these systems and enables the abstraction over non-relevant details. The infrastructure uses this information model to monitor and manage the modeled environment, performing and detecting changes in execution time. The agents infrastructure is further detailed and its components and the relationships between them are explained. Moreover, the proposal is validated through a set of agents that instrument the JEE Glassfish application server, paying special attention to support distributed configuration scenarios.
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This paper analyses how the internal resources of small- and medium-sized enterprises determine access (learning processes) to technology centres (TCs) or industrial research institutes (innovation infrastructure) in traditional low-tech clusters. These interactions basically represent traded (market-based) transactions, which constitute important sources of knowledge in clusters. The paper addresses the role of TCs in low-tech clusters, and uses semi-structured interviews with 80 firms in a manufacturing cluster. The results point out that producer–user interactions are the most frequent; thus, the higher the sector knowledge-intensive base, the more likely the utilization of the available research infrastructure becomes. Conversely, the sectors with less knowledge-intensive structures, i.e. less absorptive capacity (AC), present weak linkages to TCs, as they frequently prefer to interact with suppliers, who act as transceivers of knowledge. Therefore, not all the firms in a cluster can fully exploit the available research infrastructure, and their AC moderates this engagement. In addition, the existence of TCs is not sufficient since the active role of a firm's search strategies to undertake interactions and conduct openness to available sources of knowledge is also needed. The study has implications for policymakers and academia.
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At the present time almost all map libraries on the Internet are image collections generated by the digitization of early maps. This type of graphics files provides researchers with the possibility of accessing and visualizing historical cartographic information keeping in mind that this information has a degree of quality that depends upon elements such as the accuracy of the digitization process and proprietary constraints (e.g. visualization, resolution downloading options, copyright, use constraints). In most cases, access to these map libraries is useful only as a first approach and it is not possible to use those maps for scientific work due to the sparse tools available to measure, match, analyze and/or combine those resources with different kinds of cartography. This paper presents a method to enrich virtual map rooms and provide historians and other professional with a tool that let them to make the most of libraries in the digital era.
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The increase in CPU power and screen quality of todays smartphones as well as the availability of high bandwidth wireless networks has enabled high quality mobile videoconfer- encing never seen before. However, adapting to the variety of devices and network conditions that come as a result is still not a trivial issue. In this paper, we present a multiple participant videoconferencing service that adapts to different kind of devices and access networks while providing an stable communication. By combining network quality detection and the use of a multipoint control unit for video mixing and transcoding, desktop, tablet and mobile clients can participate seamlessly. We also describe the cost in terms of bandwidth and CPU usage of this approach in a variety of scenarios.
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Background: Minimally invasive surgery creates two technological opportunities: (1) the development of better training and objective evaluation environments, and (2) the creation of image guided surgical systems.
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Purpose – The purpose of this paper is to present a simulation‐based evaluation method for the comparison of different organizational forms and software support levels in the field of supply chain management (SCM). Design/methodology/approach – Apart from widely known logistic performance indicators, the discrete event simulation model considers explicitly coordination cost as stemming from iterative administration procedures. Findings - The method is applied to an exemplary supply chain configuration considering various parameter settings. Curiously, additional coordination cost does not always result in improved logistic performance. Influence factor variations lead to different organizational recommendations. The results confirm the high importance of (up to now) disregarded dimensions when evaluating SCM concepts and IT tools. Research limitations/implications – The model is based on simplified product and network structures. Future research shall include more complex, real world configurations. Practical implications – The developed method is designed for the identification of improvement potential when SCM software is employed. Coordination schemes based only on ERP systems are valid alternatives in industrial practice because significant investment IT can be avoided. Therefore, the evaluation of these coordination procedures, in particular the cost due to iterations, is of high managerial interest and the method provides a comprehensive tool for strategic IT decision making. Originality/value – Reviewed literature is mostly focused on the benefits of SCM software implementations. However, ERP system based supply chain coordination is still widespread industrial practice but associated coordination cost has not been addressed by researchers.
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In the framework of the ITER Control Breakdown Structure (CBS), Plant System Instrumentation & Control (I&C) defines the hardware and software required to control one or more plant systems [1]. For diagnostics, most of the complex Plant System I&C are to be delivered by ITER Domestic Agencies (DAs). As an example for the DAs, ITER Organization (IO) has developed several use cases for diagnostics Plant System I&C that fully comply with guidelines presented in the Plant Control Design Handbook (PCDH) [2]. One such use case is for neutron diagnostics, specifically the Fission Chamber (FC), which is responsible for delivering time-resolved measurements of neutron source strength and fusion power to aid in assessing the functional performance of ITER [3]. ITER will deploy four Fission Chamber units, each consisting of three individual FC detectors. Two of these detectors contain Uranium 235 for Neutron detection, while a third "dummy" detector will provide gamma and noise detection. The neutron flux from each MFC is measured by the three methods: . Counting Mode: measures the number of individual pulses and their location in the record. Pulse parameters (threshold and width) are user configurable. . Campbelling Mode (Mean Square Voltage): measures the RMS deviation in signal amplitude from its average value. .Current Mode: integrates the signal amplitude over the measurement period
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Esta dissertação apresenta um estudo exploratório sobre a experiência de implantação de um sistema digital de segurança. O estudo teve como locus a Guarda Civil Metropolitana de São Paulo e o objetivo geral da pesquisa é analisar o uso das tecnologias da informação e comunicação no campo operacional da organização. Primeiramente foi realizada a pesquisa bibliográfica para rastreamento de temas análogos. Foi possível verificar a escassez de estudos sobre as tecnologias da informação e comunicação na Segurança Pública no Brasil. Dos raros trabalhos encontrados o que deu inspiração para essa pesquisa foi o experimento realizado em Brasília, na área de Gestão do Conhecimento e da Tecnologia da Informação, que investigou a integração de sistemas de info rmações na Segurança Pública do Distrito Federal. Para a realização deste estudo de caso adotou-se a metodologia qualitativa com pesquisas bibliográfica, documental e de campo (entrevistas e observações diretas). Os resultados obtidos demonstram a necessidade de investimentos em tecnologias da informação e comunicação, objetivando a integração e a interoperabilidade das organizações de Segurança Pública. Os resultados também confirmaram os achados em pesquisas e estudos sobre a violência urbana que apontam que só os investimentos na estrutura técnica, em pessoal, em gestão de segurança, chamada política de combate à violência e à criminalidade, não resolve. É preciso urgência na gestão de políticas públicas integradas para combater as causas provocativas da violência e da criminalidade que são a miséria crescente, o desemprego, a falta de serviços públicos eficientes, em especial no setor da saúde e da educação e a ausência de políticas sociais, todos entendidos como violência.(AU)
Resumo:
Esta dissertação apresenta um estudo exploratório sobre a experiência de implantação de um sistema digital de segurança. O estudo teve como locus a Guarda Civil Metropolitana de São Paulo e o objetivo geral da pesquisa é analisar o uso das tecnologias da informação e comunicação no campo operacional da organização. Primeiramente foi realizada a pesquisa bibliográfica para rastreamento de temas análogos. Foi possível verificar a escassez de estudos sobre as tecnologias da informação e comunicação na Segurança Pública no Brasil. Dos raros trabalhos encontrados o que deu inspiração para essa pesquisa foi o experimento realizado em Brasília, na área de Gestão do Conhecimento e da Tecnologia da Informação, que investigou a integração de sistemas de info rmações na Segurança Pública do Distrito Federal. Para a realização deste estudo de caso adotou-se a metodologia qualitativa com pesquisas bibliográfica, documental e de campo (entrevistas e observações diretas). Os resultados obtidos demonstram a necessidade de investimentos em tecnologias da informação e comunicação, objetivando a integração e a interoperabilidade das organizações de Segurança Pública. Os resultados também confirmaram os achados em pesquisas e estudos sobre a violência urbana que apontam que só os investimentos na estrutura técnica, em pessoal, em gestão de segurança, chamada política de combate à violência e à criminalidade, não resolve. É preciso urgência na gestão de políticas públicas integradas para combater as causas provocativas da violência e da criminalidade que são a miséria crescente, o desemprego, a falta de serviços públicos eficientes, em especial no setor da saúde e da educação e a ausência de políticas sociais, todos entendidos como violência.(AU)
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A novel protein superfamily with over 600 members was discovered by iterative profile searches and analyzed with powerful bioinformatics and information visualization methods. Evidence exists that these proteins generate a radical species by reductive cleavage of S-adenosylmethionine (SAM) through an unusual Fe-S center. The superfamily (named here Radical SAM) provides evidence that radical-based catalysis is important in a number of previously well- studied but unresolved biochemical pathways and reflects an ancient conserved mechanistic approach to difficult chemistries. Radical SAM proteins catalyze diverse reactions, including unusual methylations, isomerization, sulfur insertion, ring formation, anaerobic oxidation and protein radical formation. They function in DNA precursor, vitamin, cofactor, antibiotic and herbicide biosynthesis and in biodegradation pathways. One eukaryotic member is interferon-inducible and is considered a candidate drug target for osteoporosis; another is observed to bind the neuronal Cdk5 activator protein. Five defining members not previously recognized as homologs are lysine 2,3-aminomutase, biotin synthase, lipoic acid synthase and the activating enzymes for pyruvate formate-lyase and anaerobic ribonucleotide reductase. Two functional predictions for unknown proteins are made based on integrating other data types such as motif, domain, operon and biochemical pathway into an organized view of similarity relationships.
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Objectives: To obtain basic information about non-librarian health professionals who become librarians and information specialists.