Research and implementation of RBAC model in management system
Lei You · Journal of Xinyang Agricultural College · 2009
Based on the feature of RBAC and combined menu's function in information systems,using binary permission string to marking role and user's menu permis sion was proposed,and defined exclusive disjunction of them,get user's permission string by execute exclusive disjunction to permission string of several roles,then,simply and effectively identify user's permission.