针对数据安全对中小企业云化迁移的影响,以驱动力—压力—状态—影响—响应(driving-pressurestate-impact-response,DPSIR)概念模型为理论框架,建立中小企业云计算数据安全DPSIR模型,分析中小企业云计算数据安全风险的关联效应,采用决...针对数据安全对中小企业云化迁移的影响,以驱动力—压力—状态—影响—响应(driving-pressurestate-impact-response,DPSIR)概念模型为理论框架,建立中小企业云计算数据安全DPSIR模型,分析中小企业云计算数据安全风险的关联效应,采用决策与试验评价实验室(decision making and trial evaluation laboratory,DEMATEL)方法辨识数据安全DPSIR模型的原因因素和结果因素,并分析该模型中原因因素的中心度和原因度,研究表明中小企业云计算数据安全DPSIR模型的原因因素为P和I,结果因素为D、S和R,进一步分析得出:用户对数据不可控、全生命周期安全、安全边界不确定性是P的关键因素,管理风险、法律风险、技术风险是I的关键因素,研究结果为中小企业云计算数据安全管理预警提供了参考。展开更多
Geological adaptability matching design of a disc cutter is the prerequisite of cutter head design for tunnel boring machines(TBMs)and plays an important role in improving the tunneling efficiency of TBMs.The main pur...Geological adaptability matching design of a disc cutter is the prerequisite of cutter head design for tunnel boring machines(TBMs)and plays an important role in improving the tunneling efficiency of TBMs.The main purpose of the cutter matching design is to evaluate the cutter performance and select the appropriate cutter size.In this paper,a novel evaluation method based on multicriteria decision making(MCDM)techniques was developed to help TBM designers in the process of determining the cutter size.The analytic hierarchy process(AHP)and matter element analysis were applied to obtaining the weights of the cutter evaluation criteria,and the fuzzy comprehensive evaluation and technique for order performance by similarity to ideal solution(TOPSIS)approaches were employed to determine the ranking of the cutters.A case application was offered to illustrate and validate the proposed method.The results of the project case demonstrate that this method is reasonable and feasible for disc cutter size selection in cutter head design.展开更多
文摘针对数据安全对中小企业云化迁移的影响,以驱动力—压力—状态—影响—响应(driving-pressurestate-impact-response,DPSIR)概念模型为理论框架,建立中小企业云计算数据安全DPSIR模型,分析中小企业云计算数据安全风险的关联效应,采用决策与试验评价实验室(decision making and trial evaluation laboratory,DEMATEL)方法辨识数据安全DPSIR模型的原因因素和结果因素,并分析该模型中原因因素的中心度和原因度,研究表明中小企业云计算数据安全DPSIR模型的原因因素为P和I,结果因素为D、S和R,进一步分析得出:用户对数据不可控、全生命周期安全、安全边界不确定性是P的关键因素,管理风险、法律风险、技术风险是I的关键因素,研究结果为中小企业云计算数据安全管理预警提供了参考。
基金Project(51475478)supported by the National Natural Science Foundation of ChinaProject(2013CB035401)supported by the National Basic Research Program of China+1 种基金Project(2012AA041801)supported by the National High-tech Research and Development Program of ChinaProject(CX2014B058)supported by the Hunan Provincial Innovation Foundation for Postgraduate,China
文摘Geological adaptability matching design of a disc cutter is the prerequisite of cutter head design for tunnel boring machines(TBMs)and plays an important role in improving the tunneling efficiency of TBMs.The main purpose of the cutter matching design is to evaluate the cutter performance and select the appropriate cutter size.In this paper,a novel evaluation method based on multicriteria decision making(MCDM)techniques was developed to help TBM designers in the process of determining the cutter size.The analytic hierarchy process(AHP)and matter element analysis were applied to obtaining the weights of the cutter evaluation criteria,and the fuzzy comprehensive evaluation and technique for order performance by similarity to ideal solution(TOPSIS)approaches were employed to determine the ranking of the cutters.A case application was offered to illustrate and validate the proposed method.The results of the project case demonstrate that this method is reasonable and feasible for disc cutter size selection in cutter head design.
