916 resultados para Computer Science Applications


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Abstract: There is a lot of hype around the Internet of Things along with talk about 100 billion devices within 10 years time. The promise of innovative new services and efficiency savings is fueling interest in a wide range of potential applications across many sectors including smart homes, healthcare, smart grids, smart cities, retail, and smart industry. However, the current reality is one of fragmentation and data silos. W3C is seeking to fix that by exposing IoT platforms through the Web with shared semantics and data formats as the basis for interoperability. This talk will address the abstractions needed to move from a Web of pages to a Web of things, and introduce the work that is being done on standards and on open source projects for a new breed of Web servers on microcontrollers to cloud based server farms. Speaker Biography -Dave Raggett : Dave has been involved at the heart of web standards since 1992, and part of the W3C Team since 1995. As well as working on standards, he likes to dabble with software, and more recently with IoT hardware. He has participated in a wide range of European research projects on behalf of W3C/ERCIM. He currently focuses on Web payments, and realising the potential for the Web of Things as an evolution from the Web of pages. Dave has a doctorate from the University of Oxford. He is a visiting professor at the University of the West of England, and lives in the UK in a small town near to Bath.

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In this session we'll explore how Microsoft uses data science and machine learning across it's entire business, from Windows and Office, to Skype and XBox. We'll look at how companies across the world use Microsoft technology for empowering their businesses in many different industries. And we'll look at data science technologies you can use yourselves, such as Azure Machine Learning and Power BI. Finally we'll discuss job opportunities for data scientists and tips on how you can be successful!

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IBM provide a comprehensive academic initiative, (http://www-304.ibm.com/ibm/university/academic/pub/page/academic_initiative) to universities, providing them free of charge access to a wide range of IBM Software. As part of this initiative we are currently offering free IBM Bluemix accounts, either to be used within a course, or for students to use for personal skills development. IBM Bluemix provides a comprehensive cloud based platform as a service solution set which includes the ability to quickly and easily integrate data from devices from Internet of Things ( IoT) solutions to develop and run productive and user focused web and mobile applications. If you would be interested in hearing more about IBM and Internet of Things or you would like to discuss prospective research projects that you feel would operate well in this environment, please come along to the seminar!

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El siguiente trabajo, a partir de la identificación de los diferentes sujetos que participan en el medio ambiente donde se desenvuelve el restaurante El Molino, busca determinar cuáles podrían ser las estrategias de mercadeo más efectivas para que la imagen, concepto y servicio del restaurante, la marca en general, resulte lo más atractivas posibles para los segmentos objetivo de la empresa. Dadas las circunstancias de que es un negocio reciente, no existen datos históricos de la imagen que proyecta la marca hacia sus clientes, por lo tanto la información a partir de la cual se pretenden generar alternativas para que la marca influencie a los clientes de la manera deseada será conseguida a partir de una simulación que será obtenida de un modelo basado en agentes. Con esto lo que se busca es poder parametrizar en qué aspectos y de qué forma la empresa debe invertir para que la forma en que los clientes perciben la marca sea la deseada por el restaurante.

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En este documento se evidencia como el desempeño organizacional de una empresa, entendido como el rendimiento superior de la misma, se ve modificado por las prácticas o metodologías utilizadas, aplicadas e integradas a cada uno de los componentes de la Cadena de suministros. Es así que el propósito principal es demostrar cual es la relación entre los componentes de la Cadena de Suministros y su gestión sobre los rendimientos económicos de la empresa. De esa manera se encontraron múltiples actividades que toman lugar en los procesos característicos de cada uno de los componentes de la cadena de suministros y que al final nos presentan una variabilidad sobre los rendimientos de la empresa. Cabe recalcar que la investigación se realizó con respecto a empresas pertenecientes al sector manufacturero y abarca una buena parte de este. La importancia que tiene la investigación, es el haber entregado como resultado, el conocimiento sobre algunas de las practicas más utilizadas en el sector en cada uno de sus componentes, lo cual hace de la Cadena de suministros, un factor por excelencia para ser tratado e implementado con el fin de alcanzar mayores rendimientos económicos a nivel de empresa. En la investigación se utilizaron los casos de empresas reales tanto nacionales como internacionales y se encontraron situaciones claves que evidenciaban la hipótesis de la relación entre la cadena de suministros y el desempeño organizacional. Es por ello, que si bien es ahora cierto, que las actividades desarrolladas en los componentes de la Cadena de Suministros de las empresas influyen en el incremento de los rendimientos, es importante que las empresas conozcan de esta información para tener una idea de cómo desarrollar ventajas competitivas que los posicionen como empresa y les genere entonces mayores rendimientos, o por el contrario, les genere ahorros en costos y por ende altos beneficios y nuevas inversiones en prácticas que a la larga volverá a la empresa en un organismo eficientes y próspero.

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El processament d'imatges mèdiques és una important àrea de recerca. El desenvolupament de noves tècniques que assisteixin i millorin la interpretació visual de les imatges de manera ràpida i precisa és fonamental en entorns clínics reals. La majoria de contribucions d'aquesta tesi són basades en Teoria de la Informació. Aquesta teoria tracta de la transmissió, l'emmagatzemament i el processament d'informació i és usada en camps tals com física, informàtica, matemàtica, estadística, biologia, gràfics per computador, etc. En aquesta tesi, es presenten nombroses eines basades en la Teoria de la Informació que milloren els mètodes existents en l'àrea del processament d'imatges, en particular en els camps del registre i la segmentació d'imatges. Finalment es presenten dues aplicacions especialitzades per l'assessorament mèdic que han estat desenvolupades en el marc d'aquesta tesi.

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Não é novidade que o paradigma vigente baseia-se na Internet, em que cada vez mais aplicações mudam o seu modelo de negócio relativamente a licenciamento e manutenção, para passar a oferecer ao utilizador final uma aplicação mais acessível no que concerne a licenciamento e custos de manutenção, já que as aplicações se encontram distribuídas eliminando os custos de capitais e operacionais inerentes a uma arquitetura centralizada. Com a disseminação das Interfaces de Programação de Aplicações (Application Programming Interfaces – API) baseadas na Internet, os programadores passaram a poder desenvolver aplicações que utilizam funcionalidades disponibilizadas por terceiros, sem terem que as programar de raiz. Neste conceito, a API das aplicações Google® permitem a distribuição de aplicações a um mercado muito vasto e a integração com ferramentas de produtividade, sendo uma oportunidade para a difusão de ideias e conceitos. Este trabalho descreve o processo de conceção e implementação de uma plataforma, usando as tecnologias HTML5, Javascript, PHP e MySQL com integração com ®Google Apps, com o objetivo de permitir ao utilizador a preparação de orçamentos, desde o cálculo de preços de custo compostos, preparação dos preços de venda, elaboração do caderno de encargos e respetivo cronograma.

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The paper reports an interactive tool for calibrating a camera, suitable for use in outdoor scenes. The motivation for the tool was the need to obtain an approximate calibration for images taken with no explicit calibration data. Such images are frequently presented to research laboratories, especially in surveillance applications, with a request to demonstrate algorithms. The method decomposes the calibration parameters into intuitively simple components, and relies on the operator interactively adjusting the parameter settings to achieve a visually acceptable agreement between a rectilinear calibration model and his own perception of the scene. Using the tool, we have been able to calibrate images of unknown scenes, taken with unknown cameras, in a matter of minutes. The standard of calibration has proved to be sufficient for model-based pose recovery and tracking of vehicles.

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This paper discusses and compares the use of vision based and non-vision based technologies in developing intelligent environments. By reviewing the related projects that use vision based techniques in intelligent environment design, the achieved functions, technical issues and drawbacks of those projects are discussed and summarized, and the potential solutions for future improvement are proposed, which leads to the prospective direction of my PhD research.

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Medical universities and teaching hospitals in Iraq are facing a lack of professional staff due to the ongoing violence that forces them to flee the country. The professionals are now distributed outside the country which reduces the chances for the staff and students to be physically in one place to continue the teaching and limits the efficiency of the consultations in hospitals. A survey was done among students and professional staff in Iraq to find the problems in the learning and clinical systems and how Information and Communication Technology could improve it. The survey has shown that 86% of the participants use the Internet as a learning resource and 25% for clinical purposes while less than 11% of them uses it for collaboration between different institutions. A web-based collaborative tool is proposed to improve the teaching and clinical system. The tool helps the users to collaborate remotely to increase the quality of the learning system as well as it can be used for remote medical consultation in hospitals.

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Interactions using a standard computer mouse can be particularly difficult for novice and older adult users. Tasks that involve positioning the mouse over a target and double-clicking to initiate some action can be a real challenge for many users. Hence, this paper describes a study that investigates the double-click interactions of older and younger adults and presents data that can help inform the development of methods of assistance. Twelve older adults (mean age = 63.9 years) and 12 younger adults (mean age = 20.8 years) performed click and double-click target selections with a computer mouse. Initial results show that older users make approximately twice as many errors as younger users when attempting double-clicks. For both age groups, the largest proportion of errors was due to difficulties with keeping the cursor steady between button presses. Compared with younger adults, older adults experienced more difficulties with performing two button presses within a required time interval. Understanding these interactions better is a step towards improving accessibility, and may provide some suggestions for future directions of research in this area.

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Currently many ontologies are available for addressing different domains. However, it is not always possible to deploy such ontologies to support collaborative working, so that their full potential can be exploited to implement intelligent cooperative applications capable of reasoning over a network of context-specific ontologies. The main problem arises from the fact that presently ontologies are created in an isolated way to address specific needs. However we foresee the need for a network of ontologies which will support the next generation of intelligent applications/devices, and, the vision of Ambient Intelligence. The main objective of this paper is to motivate the design of a networked ontology (Meta) model which formalises ways of connecting available ontologies so that they are easy to search, to characterise and to maintain. The aim is to make explicit the virtual and implicit network of ontologies serving the Semantic Web.

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Context-aware multimodal interactive systems aim to adapt to the needs and behavioural patterns of users and offer a way forward for enhancing the efficacy and quality of experience (QoE) in human-computer interaction. The various modalities that constribute to such systems each provide a specific uni-modal response that is integratively presented as a multi-modal interface capable of interpretation of multi-modal user input and appropriately responding to it through dynamically adapted multi-modal interactive flow management , This paper presents an initial background study in the context of the first phase of a PhD research programme in the area of optimisation of data fusion techniques to serve multimodal interactivite systems, their applications and requirements.

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Compute grids are used widely in many areas of environmental science, but there has been limited uptake of grid computing by the climate modelling community, partly because the characteristics of many climate models make them difficult to use with popular grid middleware systems. In particular, climate models usually produce large volumes of output data, and running them also involves complicated workflows implemented as shell scripts. A new grid middleware system that is well suited to climate modelling applications is presented in this paper. Grid Remote Execution (G-Rex) allows climate models to be deployed as Web services on remote computer systems and then launched and controlled as if they were running on the user's own computer. Output from the model is transferred back to the user while the run is in progress to prevent it from accumulating on the remote system and to allow the user to monitor the model. G-Rex has a REST architectural style, featuring a Java client program that can easily be incorporated into existing scientific workflow scripts. Some technical details of G-Rex are presented, with examples of its use by climate modellers.

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G-Rex is light-weight Java middleware that allows scientific applications deployed on remote computer systems to be launched and controlled as if they are running on the user's own computer. G-Rex is particularly suited to ocean and climate modelling applications because output from the model is transferred back to the user while the run is in progress, which prevents the accumulation of large amounts of data on the remote cluster. The G-Rex server is a RESTful Web application that runs inside a servlet container on the remote system, and the client component is a Java command line program that can easily be incorporated into existing scientific work-flow scripts. The NEMO and POLCOMS ocean models have been deployed as G-Rex services in the NERC Cluster Grid, and G-Rex is the core grid middleware in the GCEP and GCOMS e-science projects.