29,106 research outputs found
Health literacy practices in social virtual worlds and the influence on health behaviour
This study explored how health information accessed via a 3D social virtual world and the representation of âselfâ through the use of an avatar impact physical world health behaviour.
In-depth interviews were conducted in a sample of 25 people, across 10 countries, who accessed health information in a virtual world (VW): 12 females and 13 males. Interviews were audio-recorded via private in-world voice chat or via private instant message. Thematic analysis was used to analyse the data.
The social skills and practices evidenced demonstrate how the collective knowledge and skills of communities in VWs can influence improvements in individual and community health literacy through a distributed model. The findings offer support for moving away from the idea of health literacy as a set of skills which reside within an individual to a sociocultural model of health literacy. Social VWs can offer a place where people can access health information in multiple formats through the use of an avatar, which can influence changes in behaviour in the physical world and the VW. This can lead to an improvement in social skills and health literacy practices and represents a social model of health literacy
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Sickle cell anaemia and the experiences of young people living with the condition
This qualitative literature review examines the experiences of young people with Sickle Cell Anaemia (SCA). Sickle cell anaemia (SCA) is a condition acknowledged for its unpredictability, painful episodes and life threatening nature. The aim was to explore the impact SCA has on young people and the experiences they face. After reviewing potential articles found from the EBSCOhost platform, an inclusion and exclusion criteria was used and six appropriate studies were found with the majority of the participants in the 10-25 age range. However, one study had some participants in the early childhood and another had some of the sample in the young adult age range. These articles concentrated on the UK and North America instead of a broader international experience. The critical appraisal skills programme (CASP) was then used to evaluate the articles found. Thematic analysis identified three themes: acceptance, support and unpredictability, with subthemes of spirituality and discrimination. It was clear that SCA affected multiple areas of young peoplesâ lives, and health professionals need to consider young peopleâs views.
The terms Sickle Cell Anaemia and Sickle Cell Disease are used interchangeably throughout this review
Bitcoin Selfish Mining Modeling and Dependability Analysis
Blockchain technology has gained prominence over the last decade. Numerous achievements have been made regarding how this technology can be utilized in different aspects of the industry, market, and governmental departments. Due to the safety-critical and security-critical nature of their uses, it is pivotal to model the dependability of blockchain-based systems. In this study, we focus on Bitcoin, a blockchain-based peer-to-peer cryptocurrency system. A continuous-time Markov chain-based analytical method is put forward to model and quantify the dependability of the Bitcoin system under selfish mining attacks. Numerical results are provided to examine the influences of several key parameters related to selfish minersâ computing power, attack triggering, and honest minersâ recovery capability. The conclusion made based on this research may contribute to the design of resilience algorithms to enhance the self-defense and robustness of cryptocurrency systems
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Evaluating the resilience and security of boundaryless, evolving socio-technical Systems of Systems
First experiences with Personal Networks as an enabling platform for service providers
By developing demonstrators and performing small-scale user trials, we found various opportunities and pitfalls for deploying personal networks (PNs) on a commercial basis. The demonstrators were created using as many as possible legacy devices and proven technologies. They deal with applications in the health sector, home services, tourism, and the transportation sector. This paper describes the various architectures and our experiences with the end users and the technology. We conclude that context awareness, service discovery, and content management are very important in PNs and that a personal network provider role is necessary to realize these functions under the assumptions we made. The PNPay Travel demonstrator suggests that PN service platforms provide an opportunity to develop true trans-sector services
Current Efforts Concerning ICT Security of the Power Grid
GRID is a Coordination Action funded under the Trust and Security objective of the IST Programme of the 6th Framework to achieve consensus at the European level on the key issues involved by power systems vulnerabilities, in view of the challenges driven by the transformation of the European power infrastructure and ICT integration. GRID wants to assess the needs of the EU power sector on these issues, so as to establish a Roadmap for collaborative research in this area.
The present report provides a survey on current efforts somewhat related to the objectives of GRID. Similar to GRID, a number of European and US endeavours have attempted in recent years to draw a Road Map so as to coordinate efforts concerning energy transport/distribution research and CIP.JRC.G.6-Sensors, radar technologies and cybersecurit
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