Youping Geng

	2010
2		Zhikun Zhang, Youping Geng, Jianguo Xiao: Cardinality constraint analyse and implementation in access control model. NCM 2010: 265-267
	2008
1		Zhikun Zhang, Jianguo Xiao, Hanyi Li, Youping Geng: An Extended Permission-Based Delegation Authorization Model. CSSE (3) 2008: 696-699

Coauthor Index

1	Hanyi Li	[1]
2	Jianguo Xiao	[1] [2]
3	Zhikun Zhang	[1] [2]

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