Ricardo Macedo

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Cysticercosis is an endemic condition in many developing countries. Although it is the most common parasitic disease of the central nervous system, cysticercal involvement of the spinal cord is rare. It may occur as intradural extramedullary, intramedullary, intramedullary associated with intradural-extramedullary or as the vertebral presentation. We report(More)
Keywords: Smart cities Heterogeneous wireless communication Architecture Low cost Interoperability a b s t r a c t Smart cities have become a reality around the world. They rely on wireless communication technologies, and they have provided many benefits to society, such as monitoring road traffic in real-time, giving continuous healthcare assistance to(More)
Under the increasing popularization of portable and mobile devices, as well as the positive trends to the Internet of Everything, Identity Management systems gain a crucial role in integrating different administrative domains towards a global ubiquitous computing. Denial-of-Service (DoS) attacks can make IdM operations unavailable, preventing the use of(More)
The characteristics of the Future Internet and the emerging technologies result in new requirements, in which user security issues are highlighted. Identity Management requirements are linked to the development of systems able to prevent unauthorized use of digital identities, information overload, and to enhance user privacy. This paper highlights the(More)
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