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任志宇 陈性元 单棣斌
Cross-domain authorization management model based on two-tier role mapping
REN Zhiyu CHEN Xingyuan SHAN Dibin
计算机应用 . 2013, (09): 2511 -2515 .  DOI: 10.11772/j.issn.1001-9081.2013.09.2511