Kefeng Fan et al.: A new usage control protocol for data protection of cloud environment. (2016)journals/ejisec/FanYFWC1610.1186/S13635-016-0031-6Q59467895A new usage control protocol for data protection of cloud environment.5Kefeng Fan1Xiangzhen Yao2Xiaohe Fan3Yong Wang4Mingjie Chen57EURASIP J. Inf. Secur.EURASIP J. Inf. Secur.20162016provenance information for RDF data of dblp record 'journals/ejisec/FanYFWC16'2020-06-18T22:14:12+0200