857 resultados para Internet (Computer networks)


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Aquest treball consisteix en el desenvolupament d'un projecte de base de dades relacional implementat en Oracle que dóna resposta a la necessitat d'un sistema de votació ciutadana a nivell europeu a través d'Internet.

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El projecte Matic vol crear un entorn d'EAO apte per a treballar qualsevol contingut acadèmic i personalitzat per a cada estudiant, seguint les directrius marcades pel professor, que en podrà fer el seguiment acadèmic.

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Aquest treball de final de carrera vol fer un petit projecte informàtic i seguir-ne el cicle de vida, a més d'explorar la tecnologia Java 2 Enterprise Edition, que serà l'escollida per a implementar el projecte.

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Actualment en el món de les xarxes i el de les aplicacions mòbils està en contínua evolució i cada dia sorgeixen noves idees e implementacions que aprofundeixen en aquests aspectes. Aquest projecte uneix en un mateix desenvolupament tots dos punts presentant una aplicació Android per a connectar-se a la xarxa de microblogging lliure StatusNet.

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L'acostament entre el professional de la salut i el qui necessita els seus serveis és un tema d'interès per a la psicologia de la salut des que va començar com a disciplina. En el context de la societat de la informació i el coneixement apareix un nou escenari d'intervenció d'aquests dos col·lectius que és necessari conèixer. Per això s'han començat diferents propostes, però la que presenta el grup d'investigació de Psicologia de la Salut i Xarxa (PSINET) de la Universitat Oberta de Catalunya s'encamina a potenciar la creació d'espais virtuals de trobada entre ambdós col·lectius (professionals de la salut i usuaris de serveis de salut). L'establiment de plataformes digitals de serveis sanitaris per als ciutadans del segle XXI passa primer per conèixer la realitat dels diferents col·lectius implicats en la relació salut i xarxa. L'objectiu que es planteja en aquest estudi se centra en el primer col·lectiu i en el descobriment del que hi ha sobre salut a Internet. Per a això, seguint una metodologia de recerca exhaustiva per Internet, s'han recollit webs sobre salut en català i castellà, i s'ha fet una anàlisi de dades textuals de la informació que contenien els webs en català. Aquesta anàlisi ha permès conèixer i descriure el prototip de web sobre salut que hi ha a la xarxa en el moment de fer l'estudi.

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Until now, mortality atlases have been static. Most of them describe the geographical distribution of mortality using count data aggregated over time and standardized mortality rates. However, this methodology has several limitations. Count data aggregated over time produce a bias in the estimation of death rates. Moreover, this practice difficult the study of temporal changes in geographical distribution of mortality. On the other hand, using standardized mortality hamper to check differences in mortality among groups. The Interactive Mortality Atlas in Andalusia (AIMA) is an alternative to conventional static atlases. It is a dynamic Geographical Information System that allows visualizing in web-site more than 12.000 maps and 338.00 graphics related to the spatio-temporal distribution of the main death causes in Andalusia by age and sex groups from 1981. The objective of this paper is to describe the methods used for AIMA development, to show technical specifications and to present their interactivity. The system is available from the link products in www.demap.es. AIMA is the first interactive GIS that have been developed in Spain with these characteristics. Spatio-temporal Hierarchical Bayesian Models were used for statistical data analysis. The results were integrated into web-site using a PHP environment and a dynamic cartography in Flash. Thematic maps in AIMA demonstrate that the geographical distribution of mortality is dynamic, with differences among year, age and sex groups. The information nowadays provided by AIMA and the future updating will contribute to reflect on the past, the present and the future of population health in Andalusia.

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Traffic Engineering objective is to optimize network resource utilization. Although several works have been published about minimizing network resource utilization in MPLS networks, few of them have been focused in LSR label space reduction. This letter studies Asymmetric Merged Tunneling (AMT) as a new method for reducing the label space in MPLS network. The proposed method may be regarded as a combination of label merging (proposed in the MPLS architecture) and asymmetric tunneling (proposed recently in our previous works). Finally, simulation results are performed by comparing AMT with both ancestors. They show a great improvement in the label space reduction factor

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This paper focuses on QoS routing with protection in an MPLS network over an optical layer. In this multi-layer scenario each layer deploys its own fault management methods. A partially protected optical layer is proposed and the rest of the network is protected at the MPLS layer. New protection schemes that avoid protection duplications are proposed. Moreover, this paper also introduces a new traffic classification based on the level of reliability. The failure impact is evaluated in terms of recovery time depending on the traffic class. The proposed schemes also include a novel variation of minimum interference routing and shared segment backup computation. A complete set of experiments proves that the proposed schemes are more efficient as compared to the previous ones, in terms of resources used to protect the network, failure impact and the request rejection ratio

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A recent study defines a new network plane: the knowledge plane. The incorporation of the knowledge plane over the network allows having more accurate information of the current and future network states. In this paper, the introduction and management of the network reliability information in the knowledge plane is proposed in order to improve the quality of service with protection routing algorithms in GMPLS over WDM networks. Different experiments prove the efficiency and scalability of the proposed scheme in terms of the percentage of resources used to protect the network

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BACKGROUND. Bioinformatics is commonly featured as a well assorted list of available web resources. Although diversity of services is positive in general, the proliferation of tools, their dispersion and heterogeneity complicate the integrated exploitation of such data processing capacity. RESULTS. To facilitate the construction of software clients and make integrated use of this variety of tools, we present a modular programmatic application interface (MAPI) that provides the necessary functionality for uniform representation of Web Services metadata descriptors including their management and invocation protocols of the services which they represent. This document describes the main functionality of the framework and how it can be used to facilitate the deployment of new software under a unified structure of bioinformatics Web Services. A notable feature of MAPI is the modular organization of the functionality into different modules associated with specific tasks. This means that only the modules needed for the client have to be installed, and that the module functionality can be extended without the need for re-writing the software client. CONCLUSIONS. The potential utility and versatility of the software library has been demonstrated by the implementation of several currently available clients that cover different aspects of integrated data processing, ranging from service discovery to service invocation with advanced features such as workflows composition and asynchronous services calls to multiple types of Web Services including those registered in repositories (e.g. GRID-based, SOAP, BioMOBY, R-bioconductor, and others).

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Boletín semanal para profesionales sanitarios de la Secretaría General de Salud Pública y Participación Social de la Consejería de Salud

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Boletín semanal para profesionales sanitarios de la Secretaría General de Salud Pública y Participación Social de la Consejería de Salud

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Boletín semanal para profesionales sanitarios de la Secretaría General de Salud Pública y Participación Social de la Consejería de Salud

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En aquest projecte es presenta un mecanisme per garantir la privacitat de les cerques que fan els usuaris als motors de cerca aprofitant el potencial de les xarxes socials.

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Boletín semanal para profesionales sanitarios de la Secretaría General de Salud Pública y Participación Social de la Consejería de Salud