Author(s) :

R.Punitha gowri , D.Amuthavalli , A.Manikandan , K.Lingeswar.

Volume/Issue :

Abstract :

Data as a Service builds service-oriented technologies to enable fast access on the web for data resources.This paradigm do not handle traditional privacy models that raises several new privacy concerns.privacy-sensitive information may reveal by DaaS composition. In this paper, a formal privacy model we propose in order to extend DaaS descriptions with privacy capabilities. A service to define a set of privacy requirements and a privacy policy allowed by the privacy model. We also propose a privacy-preserving DaaS composition approach allowing to verify the compatibility between privacy requirements and policies in DaaS composition. We propose a negotiation mechanism that makes it possible to dynamically reconcile the privacy capabilities of services when incompatibilities arise in a composition. Using a prototype implementation and a set of experiments we validate the applicability of our proposal.

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