Utilize este identificador para referenciar este registo:
http://hdl.handle.net/10773/13356
Título: | Low-latency privacy-enabled Context Distribution Architecture |
Autor: | Gonçalves, João M. Gomes, Diogo Aguiar, Rui |
Palavras-chave: | Access control Context Latency Privacy |
Data: | 2012 |
Editora: | IEEE |
Resumo: | As personal information and context sharing applications gain traction more attention is drawn to the associated privacy issues. These applications address privacy using an unsatisfactory {"}whitelist{"} approach [1] [2], similar to social networks {"}friends{"}. Some of them also link location publishing with user interaction which is also a form of privacy control - the user has to explicitly say where he is. There are a few automatic location based-services (LBS) that track the user [3], but without more adequate privacy protection mechanisms they enable even bigger threats to the user. On previous work, an XMPP-based Context Distribution Architecture was defined [4], more suitable for the distribution of frequently changing context than other systems because it is based on the publish-subscribe pattern. In this paper the authors present an extension to this architecture that allows for the introduction of a complex degree of access control in context distribution. The devised changes enable the system to consider a number of interesting context privacy settings [1] for context distribution control. Also, this control must be enforced in a way that it doesn't interfere with the real-time nature of the distribution process. After describing the enhancements to the architecture, a prototype of the system is presented. Finally, the delivery latency and additional processing introduced by the access control components is estimated by testing it against the existing system. |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/13356 |
DOI: | 10.1109/ICC.2012.6364027 |
ISBN: | 978-1-4577-2053-6 |
ISSN: | 1550-3607 |
Aparece nas coleções: | DETI - Comunicações |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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06364027.pdf | 629.26 kB | Adobe PDF | Ver/Abrir |
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