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Trust Model for Optimized Cloud Services

Abstract : Cloud computing with its inherent advantages draws attention for business critical applications, but concurrently expects high level of trust in cloud service providers. Reputation-based trust is emerging as a good choice to model trust of cloud service providers based on available evidence. Many existing reputation based systems either ignore or give less importance to uncertainty linked with the evidence. In this paper, we propose an uncertainty model and define our approach to compute opinion for cloud service providers. Using subjective logic operators along with the computed opinion values, we propose mechanisms to calculate the reputation of cloud service providers. We evaluate and compare our proposed model with existing reputation models.
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P. Pawar, M. Rajarajan, Sarath Mohanachandran Nair, A. Zisman. Trust Model for Optimized Cloud Services. 6th International Conference on Trust Management (TM), May 2012, Surat, India. pp.97-112, ⟨10.1007/978-3-642-29852-3_7⟩. ⟨hal-01517657⟩

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