83,689 research outputs found

    Exploring an epidemic in an e-science environment

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    Social representations of HIV/AIDS in five Central European and Eastern European countries: A multidimensional analysis

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    Cognitive processing models of risky sexual behaviour have proliferated in the two decades since the first reporting of HIV/AIDS, but far less attention has been paid to individual and group representations of the epidemic and the relationship between these representations and reported sexual behaviours. In this study, 494 business people and medics from Estonia, Georgia, Hungary, Poland and Russia sorted free associations around HIV/AIDS in a matrix completion task. Exploratory factor and multidimensional scaling analyses revealed two main dimensions (labelled ‘Sex’ and ‘Deadly disease’), with significant cultural and gender variations along both dimension scores. Possible explanations for these results are discussed in the light of growing concerns over the spread of the epidemic in this region

    Issues and Challenges of HIV/AIDS Prevention and Treatment Programme in Nepal

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    This paper explores some of the key issues and challenges of government HIV/AIDS prevention and treatment programme in Nepal. Providing HIV/AIDS prevention and treatment services in Nepal is associated with a number of issues and challenges which are shaped mostly on cultural and managerial issues from grass root to policy level. Numerous efforts have been done and going on by Nepal government and non-government organization but still HIV prevention and treatment service is not able to reach all the most at risk populations because cultural issues and managerial issues are obstructing the services. The existing socio-cultural frameworks of Nepal do not provide an environment for any safe disclosure for person who is HIV infected. Thus, there is an urgent need to address those issues and challenges and strengthen the whole spectrums of health systems through collaborative approach to achieve the millennium development goals. It will be the purpose of this paper to contribute to the policy makers by exploring the pertinent issues and challenges in the HIV/AIDS programme

    Domino: exploring mobile collaborative software adaptation

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    Social Proximity Applications (SPAs) are a promising new area for ubicomp software that exploits the everyday changes in the proximity of mobile users. While a number of applications facilitate simple file sharing between co–present users, this paper explores opportunities for recommending and sharing software between users. We describe an architecture that allows the recommendation of new system components from systems with similar histories of use. Software components and usage histories are exchanged between mobile users who are in proximity with each other. We apply this architecture in a mobile strategy game in which players adapt and upgrade their game using components from other players, progressing through the game through sharing tools and history. More broadly, we discuss the general application of this technique as well as the security and privacy challenges to such an approach

    An Agent-Based Spatially Explicit Epidemiological Model in MASON

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    This paper outlines the design and implementation of an agent-based epidemiological simulation system. The system was implemented in the MASON toolkit, a set of Java-based agent-simulation libraries. This epidemiological simulation system is robust and extensible for multiple applications, including classroom demonstrations of many types of epidemics and detailed numerical experimentation on a particular disease. The application has been made available as an applet on the MASON web site, and as source code on the author\'s web site.Epidemiology, Social Networks, Agent-Based Simulation, MASON Toolkit
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