Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
In emerging e-commerce applications, time constrained information sharing between different systems is becoming a common phenomenon. A flexible and efficient mechanism is needed t...
Role-based access control (RBAC) is recognized as an efficient access control model for large organizations. Most organizations have some business rules related to access control...
Abstract. Access control languages which support administrative controls, and thus allow the ordinary permissions of a system to change, have traditionally been constructed with ...
In this paper, we describe a rule-based message passing method to support developing collaborative applications, in which multiple users share resources in distributed environments...