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The integration of Wireless Body Area Networks with a cloud computing platform creates a new digital ecosystem with advanced features called Cloud-assisted Wireless Body Area Networks. This ecosystem enables users to globally access e-healthcare services at competitive costs. However, the secure data communications between the cloud and Wireless Body Area Networks are critical because the data is...
In this paper we consider unambiguity of languages as an extension of codes. We introduce a new classification of languages based on a type of unambiguity that is closely related to codes. A necessary and sufficient condition for a language to have finite unambiguous degree is established, and an application of unambiguous languages in the area of cryptography is introduced.
Nowadays, since the amount of information is increasing quickly, data owners have tendency to publish their data to external service provider called Cloud Computing. Using Cloud Computing, users can reduce the burden of data management. However, since the service provider is not fully trusted, there are many challenges in securing the data stored on Cloud: integrity, availability and privacy. In this...
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