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2020-04-17
Huang, Hua, Zhang, Yi-lai, Zhang, Min.  2019.  Research on Cloud Workflow Engine Supporting Three-Level Isolation and Privacy Protection. 2019 IEEE 5th Intl Conference on Big Data Security on Cloud (BigDataSecurity), IEEE Intl Conference on High Performance and Smart Computing, (HPSC) and IEEE Intl Conference on Intelligent Data and Security (IDS). :160—165.

With the development of cloud computing, cloud workflow systems are widely accepted by more and more enterprises and individuals (namely tenants). There exists mass tenant workflow instances running in cloud workflow systems. How to implement the three-level (i.e., data, performance, execution ) isolation and privacy protection among these tenant workflow instances is challenging. To address this issue, this paper presents a novel cloud workflow model supporting multi-tenants with privacy protection. With the presented model, a framework of cloud workflow engine based on the extended jBPM4 is proposed by adopting layered management thought, virtualization technology and sandbox mechanism. By extending the jBPM4 (java Business Process Management) engine, the prototype system of the proposed cloud workflow engine is implemented and applied in the ceramic cloud service platform (denoted as CCSP). The application effect demonstrates that our proposal can be used to implement the three-level isolation and privacy protection between mass various tenant workflow instances in cloud workflow systems.

2020-01-27
Yang, Li-hua, Huang, Hua.  2019.  A Classification Method of Ancient Ceramics Based on Support Vector Machine in Ceramic Cloud Service Platform. 2019 IEEE 5th Intl Conference on Big Data Security on Cloud (BigDataSecurity), IEEE Intl Conference on High Performance and Smart Computing, (HPSC) and IEEE Intl Conference on Intelligent Data and Security (IDS). :108–112.
To efficiently provide the ancient ceramic composition analysis and testing services, it is necessary to efficiently classify the ancient ceramics in ceramic cloud service platform. In this paper, we get the 8 kinds of major chemical contents of the body and glaze in each sample according to analyze 35 samples. After establishing of the classification model of two samples, the results indicate: as long as choosing SVM algorithm correctly, the classification results of body and glaze samples will be quite ideal, and the support vector machine is a very valuable new method which can process ancient porcelains data.