967 resultados para global problems


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The worldwide "hyper-connection" of any object around us is the challenge that promises to cover the paradigm of the Internet of Things. If the Internet has colonized the daily life of more than 2000 million1 people around the globe, the Internet of Things faces of connecting more than 100000 million2 "things" by 2020. The underlying Internet of Things’ technologies are the cornerstone that promises to solve interrelated global problems such as exponential population growth, energy management in cities, and environmental sustainability in the average and long term. On the one hand, this Project has the goal of knowledge acquisition about prototyping technologies available in the market for the Internet of Things. On the other hand, the Project focuses on the development of a system for devices management within a Wireless Sensor and Actuator Network to offer some services accessible from the Internet. To accomplish the objectives, the Project will begin with a detailed analysis of various “open source” hardware platforms to encourage creative development of applications, and automatically extract information from the environment around them for transmission to external systems. In addition, web platforms that enable mass storage with the philosophy of the Internet of Things will be studied. The project will culminate in the proposal and specification of a service-oriented software architecture for embedded systems that allows communication between devices on the network, and the data transmission to external systems. Furthermore, it abstracts the complexities of hardware to application developers. RESUMEN. La “hiper-conexión” a nivel mundial de cualquier objeto que nos rodea es el desafío al que promete dar cobertura el paradigma de la Internet de las Cosas. Si la Internet ha colonizado el día a día de más de 2000 millones1 de personas en todo el planeta, la Internet de las Cosas plantea el reto de conectar a más de 100000 millones2 de “cosas” para el año 2020. Las tecnologías subyacentes de la Internet de las Cosas son la piedra angular que prometen dar solución a problemas globales interrelacionados como el crecimiento exponencial de la población, la gestión de la energía en las ciudades o la sostenibilidad del medioambiente a largo plazo. Este Proyecto Fin de Carrera tiene como principales objetivos por un lado, la adquisición de conocimientos acerca de las tecnologías para prototipos disponibles en el mercado para la Internet de las Cosas, y por otro lado el desarrollo de un sistema para la gestión de dispositivos de una red inalámbrica de sensores que ofrezcan unos servicios accesibles desde la Internet. Con el fin de abordar los objetivos marcados, el proyecto comenzará con un análisis detallado de varias plataformas hardware de tipo “open source” que estimulen el desarrollo creativo de aplicaciones y que permitan extraer de forma automática información del medio que les rodea para transmitirlo a sistemas externos para su posterior procesamiento. Por otro lado, se estudiarán plataformas web identificadas con la filosofía de la Internet de las Cosas que permitan el almacenamiento masivo de datos que diferentes plataformas hardware transfieren a través de la Internet. El Proyecto culminará con la propuesta y la especificación una arquitectura software orientada a servicios para sistemas empotrados que permita la comunicación entre los dispositivos de la red y la transmisión de datos a sistemas externos, así como facilitar el desarrollo de aplicaciones a los programadores mediante la abstracción de la complejidad del hardware.

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Spanish Educational Laws have been promoting the widespread use of English; as a result, Spanish Uni versities are looking for ways to give students more international training in order to prepare them for a future that will increasingly involve global problems and partnerships. Therefore, the Polytechnic University of Madrid, Spain (UPM), and the University of British Columbia, Okanagan, Canada (UBCO) have come together to offer opportunities for international collaboration and learning, thus facilitating virtual encounters among Spanish and Canadian students. The Language Exchange Program between the UPM and UBCO acts as a model for sustainability innovation in language and culture engagement as the students can interact with native speakers in communication tasks. This interdisciplinary initiative supports the latest methodological principles observed in the Common European Framework for Languages, such as autonomous and life-long learning, self-assessment and peer-assessment as well as the incorporation of new technologies to the learning process. Additionally the ‘virtual’ mobility is provided at no extra cost. This article presents the preliminary results of two virtual exchange programs that have been offering varied forms of study which are venue-independent, and have clearly expanded the range of scenarios for the students on both sides by promoting collaborative work and cultural exchange.

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International Relations remains faithful to its rationalist roots focusing on instrumental forms of power and authority to address global problems and, in the process, fail to acknowledge a sense of vulnerability permeating the global community. This book challenges such assumptions establishing an account of international politics that draws on the ethical assumptions of agonism. it highlights the inherent struggle associated with individual and community based engagement to address this struggle. While it does not offer one single mode of engagement to overcome vulnerability per se, it hopes to elicit a series of reactions, on the part of the reader, provoking grater reflection on the nature of such shared vulnerabilities thereby challenging the dominance of rationalist assumptions.

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Global problems, rapid and massive regional changes in the 21st century call for genuine long-term, awareness, planning and well focused actions from both national governments and international organizations. This book wishes to contribute to building an innovative path of strategic views in handling the diverse challenges, and more emphatically, the economic impacts of climate change. Although the contributors of this volume represent several approaches, they all rely on some common grounds such as the costbenefit analysis of mitigation and adaptation, and on the need to present an in-depth theoretical and practical dimension. The research accounted for in this book tried to integrate and confront various types of economics approaches and methods, as well as knowledge from game theory to country surveys, from agricultural adaptation to weather bonds, from green tax to historical experience of human adaptation. The various themes and points of views do deserve the attention of the serious academic reader interested in the economics of climate change. We hope to enhance the spread of good solutions resulting from world wide disputes and tested strategic decisions. WAKE UP! It is not just the polar bears' habitat that is endangered, but the entire human form of life.

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A vállalatok társadalmi felelősségvállalása választ adhat a globális problémák megoldására. Azzal, hogy a környezeti és társadalmi ügyeket üzleti kategóriaként kezeli, új lehetőségeket nyitott meg a megközelítés, azonban az alapvető változások még nem érezhetők. A szerző kutatásában e témakört vizsgálja a személyes vélemények és attitűdök oldaláról. A gazdasági érdekek elsődlegessége mellett az ismerethiány az olyan tényező, amely szakadékot képez az elmélet és a gyakorlat között. Mivel a magatartásformák megváltoztatása időigényes kihívás, a közeljövő eredményei azzal biztosíthatók, ha a leendő döntéshozók sajátosságaikat megismerve a menedzsmenteszközöket igazítják a lehetőségekhez. A tanulmány egy átfogó, empirikus kutatás eredményei alapján mutatja be, hogy a felsőoktatásban tanulók, mint a jövő vezetői, hogyan viszonyulnak a fenntartható fejlődés és a CSR kérdéséhez. _____ The tools of corporate social responsibility (CSR) may support the solving of global problems by handling them as a business category. This expands the possibilities, but the breakthrough is still missing. The author’s research activity analyses the relations from the viewpoint of personal opinions and attitudes. There is a huge lack between the theories and the practical application that can be explained by the economic interest and the deficiencies of knowledge. Since changing the behaviour is a time-consuming challenge, the focus must be on discovering the present characteristics of the future decision makers and adjusting the management methods to the results. The paper summarises the results of an empiric research that opinions and attitudes of higher education students to sustainable development and CSR.

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La actual realidad socioeconómica, marcada por la (r)evolución tecnológica de los último años y la explosión demográfica y urbana, conlleva dos grandes problemas. Por un lado el cambio climático derivado de la sobreexplotación de los recursos y energías no-renovables, y por otro, la pérdida de las identidades y procesos culturales específicos provocada por la globalización. Ante ellos, diversos autores plantean sacar partido de las propias tecnologías y la nueva sociedad en red para dar una respuesta acorde al momento actual. Las herramientas computacionales permiten una mayor complejidad de los diseños alcanzando una optimización de recursos y procesos, minimizando su impacto ambiental. Frente a la producción en masa y la pérdida de identidad, el planteamiento informático de problemas globales permite pasar de la producción en masa del siglo pasado a la ‘customización’ en masa al dar respuestas específicas para cada contexto. Por otro lado es necesario que esos procesos computacionales conecten y hagan partícipes del diseño a los diferentes actores sociales implicados. Es por ello que esta investigación se basará en los patrones espaciales de Christopher Alexander y otros modelos algorítmicos de diseño por ordenador puesto que estos describen soluciones paramétricas a conflictos recurrentes de diseño de arquitectura. Su planteamiento permite que cada solución base genere respuestas específicas, a la vez que esta es corregida y optimizada por todos sus utilizadores al poder ser compartida digitalmente. Con ello se busca que el diseño de arquitectura responda a criterios objetivos basados en la experiencia y la crítica participativa y democrática basada en los patrones, de tal modo que los diseños no surjan de un planteamiento top-down impuesto y cerrado, sino que en ellos gane importancia la participación activa de los actores sociales implicados en la definición y uso de los mismos. Por último, esta investigación procura mostrar cómo los patrones pueden jugar un papel determinante en la conceptualización abstracta del diseño, mientras que otros métodos algorítmicos alcanzarán fases del proyecto más concretas. De este modo, los patrones digitales que se pretenden se centran en la customización del diseño, mientras que el uso que le dan otros autores persigue la optimización del mismo. Para ello la investigación recurrirá al análisis de los pabellones de verano de la Serpentine Gallery como casos de estudio en los que comprobar la repercusión de los patrones en el diseño de arquitectura actual y su posible adaptación al diseño paramétrico.

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G20 outreach processes, in the form of the Think 20, Labour 20, Business 20, and Civil 20, Youth 20, and Women 20, are a formal attempt by G20 leaders to engage various social sectors with G20 policymaking. This essay contends that G20 outreach processes are best understood as transnational policy networks, which are involved in widening the field of policy communication and deliberation. The importance of these transnational policy networks rest upon their role in developing and disseminating G20 policy priorities and principles; and are an attempt to enhance the legitimacy and influence of the G20 and its policy proposals.

"We agree that, in order to strengthen its ability to build and sustain the political consensus needed to respond to challenges, the G20 must remain efficient, transparent and accountable. To achieve this, we decide to … pursue consistent and effective engagement with non-members, regional and international organisations, including the United Nations, and other actors, and we welcome their contribution to our work as appropriate. We also encourage engagement with civil society.G20 Cannes Summit Final Declaration 2011 (G20 2011)"

The difficulty in balancing the effectiveness and representativeness of the Group of Twenty (G20) has led to sustained questions about its legitimacy (Cooper 2010; Rudd 2011; Cooper and Pouliot 2015). Consequently, while leaders have long sought external advice about the agendas of Group of Seven (G7) summits since 1975, and about the G20 finance ministers and central bank governors’ meetings (G20 FM/CBG) since 1999, there has been intensification, elaboration, and institutionalization of transnational networks of policymakers with respect to the G20 in recent years. These networks are especially evident in the form of the G20 working groups and G20 outreach processes involved in the G20 FM/CBG and the G20 leaders’ forum created in 2008.

G20 working groups include transgovernmental groups of government officials and outside experts within a specific policy area who are charged with preparing material for G20 deliberations. G20 outreach processes are a recent and more formal attempt by G20 leaders to engage various social sectors with the policymaking activity of the G20 and were first considered by the G20 membership in 2010 with a more formal engagement with business interests. This led to the formal development of G20 outreach groups in 2013 in the form of the Think 20 (think tanks), Labour 20, Business 20, Civil 20 and Youth 20, which include representatives from these sectors. In 2015, a Women 20 outreach group was also added. These outreach processes are best understood as transnational policy networks which have been built to support the G20’s capacity to be effective and legitimate.

This essay focuses on G20 outreach processes and examines why and how the G20 has sought to augment its intergovernmental summitry and transgovernmental working groups with transnational policy networks, purposely involving a range of societal interests. Transnational policy networks demonstrate the existence of policymaking practices which include the policy influence of experts and advocates outside government. These networks also indicate the ways in which governments, International Governmental Organizations (IGOs) and summits like the G20 engage society, or where elements of society engage themselves with the policymaking process (Stone 2008). These networks intersect with the intergovernmental activities of leaders and key diplomats, and overlap with the transgovernmental relationships of various levels of government bureaucrats (Baker 2009). One of the principle features of transnational policy networks is the way they create and channel the communication of political ideas and priorities. However, it is important to keep in the mind the purpose and power of actors involved in the network and consider who has the discretion and motivation to create the network in the first instance. As the G20 members stated in 2012, the aspiration for outreach is founded upon an intent to strengthen the G20’s capacity “to build and sustain the political consensus”. Consequently, it is important to consider how the development of transnational policy networks in the form of G20 outreach processes are able to sustain the effectiveness and legitimacy of the G20.

This essay contends that G20 outreach processes are best understood as transnational policy networks. These networks have been built to widen the field of policy communication and deliberation. Furthermore, these outreach processes and networks are an attempt to enhance the legitimacy and influence of the G20 and its policy proposals. While there is no doubt that outreach practices are “ad hoc responses to the widespread charge that the G20 reproduces the politics of exclusion in global governance” (Cooper and Pouliot 2015, 347), these practices have the potential to improve both the effectiveness and legitimacy of the G20. The G20 possesses uncertain legitimacy and members of the G20 demonstrate an awareness of this and a corresponding willingness to actively develop various political practices to support the capacity and legitimacy of the G20.

However, G20 outreach also enables the G20 to place some limit upon the policy narratives and ideas that develop within these policy networks. The G20 is liable to be misunderstood without examining the activity of these transnational networks because the G20 is fundamentally a deliberative policy forum rather than a negotiating forum of binding regulations. Transnational policy networks have the potential to scrutinize and amplify relevant policy ideas and thereby enhance the legitimacy of the G20 and strengthen the capacity of the G20 to address an array of global economic and social problems. However, while some narrative control is important to amplify the G20 agenda, too much narrative control will undermine its legitimacy and capacity to develop broad-based responses to global problems. This essay explores the formation of these transnational policy networks by first outlining the evolution of the purpose and configuration of the G20, then it considers the ways G20 outreach processes constitute transnational policy networks and why they have been established, and lastly, analyses how these networks operate to enhance the legitimacy and effectiveness of the G20.

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Foot problems complicating diabetes are a source of major patient suffering and societal costs. Investing in evidence-based, internationally appropriate diabetic foot care guidance is likely among the most cost-effective forms of healthcare expenditure, provided it is goal-focused and properly implemented. The International Working Group on the Diabetic Foot (IWGDF) has been publishing and updating international Practical Guidelines since 1999. The 2015 updates are based on systematic reviews of the literature, and recommendations are formulated using the Grading of Recommendations Assessment Development and Evaluation system. As such, we changed the name from 'Practical Guidelines' to 'Guidance'. In this article we describe the development of the 2015 IWGDF Guidance documents on prevention and management of foot problems in diabetes. This Guidance consists of five documents, prepared by five working groups of international experts. These documents provide guidance related to foot complications in persons with diabetes on: prevention; footwear and offloading; peripheral artery disease; infections; and, wound healing interventions. Based on these five documents, the IWGDF Editorial Board produced a summary guidance for daily practice. The resultant of this process, after reviewed by the Editorial Board and by international IWGDF members of all documents, is an evidence-based global consensus on prevention and management of foot problems in diabetes. Plans are already under way to implement this Guidance. We believe that following the recommendations of the 2015 IWGDF Guidance will almost certainly result in improved management of foot problems in persons with diabetes and a subsequent worldwide reduction in the tragedies caused by these foot problems.

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IEEE Computer Society; International Association for; Computer and Information Science, ACIS

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Quasi-Newton-Raphson minimization and conjugate gradient minimization have been used to solve the crystal structures of famotidine form B and capsaicin from X-ray powder diffraction data and characterize the chi(2) agreement surfaces. One million quasi-Newton-Raphson minimizations found the famotidine global minimum with a frequency of ca 1 in 5000 and the capsaicin global minimum with a frequency of ca 1 in 10 000. These results, which are corroborated by conjugate gradient minimization, demonstrate the existence of numerous pathways from some of the highest points on these chi(2) agreement surfaces to the respective global minima, which are passable using only downhill moves. This important observation has significant ramifications for the development of improved structure determination algorithms.

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How to deal with the impacts of the exchange rate on the trade balance of Brazil? There is not a single answer to such question. In order to find out some legal approaches for this matter, this paper aims to describe and analyze the role of the IMF, WTO and the governments of Brazil and the United States on the currency misalignments, especially the extraterritorial effects of such misalignment on the Brazil’s bilateral trade with the United States. The article concludes that the Currency Swap Agreements and other bilateral solutions may minimize the distortions that the Brazilian balance of payment against the USA is carrying, due to the lack of legal solutions for the problem of the exchange rate misalignments that Brazil is facing.

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A novel common Tabu algorithm for global optimizations of engineering problems is presented. The robustness and efficiency of the presented method are evaluated by using standard mathematical functions and hy solving a practical engineering problem. The numerical results show that the proposed method is (i) superior to the conventional Tabu search algorithm in robustness, and (ii) superior to the simulated annealing algorithm in efficiency. (C) 2001 Elsevier B.V. B.V. All rights reserved.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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The main feature of partition of unity methods such as the generalized or extended finite element method is their ability of utilizing a priori knowledge about the solution of a problem in the form of enrichment functions. However, analytical derivation of enrichment functions with good approximation properties is mostly limited to two-dimensional linear problems. This paper presents a procedure to numerically generate proper enrichment functions for three-dimensional problems with confined plasticity where plastic evolution is gradual. This procedure involves the solution of boundary value problems around local regions exhibiting nonlinear behavior and the enrichment of the global solution space with the local solutions through the partition of unity method framework. This approach can produce accurate nonlinear solutions with a reduced computational cost compared to standard finite element methods since computationally intensive nonlinear iterations can be performed on coarse global meshes after the creation of enrichment functions properly describing localized nonlinear behavior. Several three-dimensional nonlinear problems based on the rate-independent J (2) plasticity theory with isotropic hardening are solved using the proposed procedure to demonstrate its robustness, accuracy and computational efficiency.