Youping Geng

Cardinality Constraint Access Control Model and Implementation

Jianguo Xiao, Zhikun Zhang, Youping Geng, 2011 .

An Extended Permission-Based Delegation Authorization Model

Jianguo Xiao, Hanyi Li, Zhikun Zhang, 2008, 2008 International Conference on Computer Science and Software Engineering.

Cardinality constraint analyse and implementation in access control model

Jianguo Xiao, Youping Geng, Zhikun Zhang, 2010, The 6th International Conference on Networked Computing and Advanced Information Management.

ANALYSIS OF ENHANCED SEPARATION OF DUTY IN ROLE-BASED ACCESS CONTROL MODEL

Zhikun Zhang, Youping Geng, Jianguo Xiao, 2005 .

The XML-Based Context-Constraint Access Control Policy

Jianguo Xiao, Hanyi Li, Zhikun Zhang, 2009, 2009 International Conference on New Trends in Information and Service Science.