In this paper, we present a role-based access control method for accessing databases through the Open Grid Services Architecture ā Data Access and Integration (OGSA-DAI) framewor...
Anil L. Pereira, Vineela Muppavarapu, Soon M. Chun...
The need to securely share information on an ad-hoc basis between collaborating entities is increasingly becoming important. We propose a coalition based access control model (CBAC...
Although the notion of negotiation has been used extensively in secure communication protocols to establish common keying states, protocol modes and services, this notion is only n...
Virgil D. Gligor, Himanshu Khurana, Radostina K. K...
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBACā...
James Joshi, Basit Shafiq, Arif Ghafoor, Elisa Ber...
Access control is central to security in computer systems. Over the years, there have been many efforts to explain and to improve access control, sometimes with logical ideas and ...