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Abstract According to the research limitation of trust evaluation of cloud service, this paper proposes a trust evaluation method
of cloud service based on context provenance and semantic rules. The method can ensure the credibility and security of cloud ser-
vice. A novel trust evaluation framework of cloud service is constructed by means of data provenance based on demand analysis, and
the function modules are designed and discussed exhaustively. Then, the context provenance of cloud service is described and ana-
lyzed by PROV model, and the“questions-feedback”semantic rules are designed. At last, the algorithms of computing trust degree
are discussed in detail. The analysis results show that the trust evaluation method can effectively collect and describe the provenance
of cloud service. The method can also improve the trust evaluation quality of cloud service by semantic rules.
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Published: 13 August 2019
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