Even though role-based access control (RBAC) can tremendously help us minimize the complexity in administering users, it is still needed to realize the notion of roles at the reso...
A web mashup is a web application that integrates content from different providers to create a new service, not offered by the content providers. As mashups grow in popularity, ...
Despite a plethora of recent research regarding trust management approaches to authorization, relatively little attention has been given to exactly how these technologies can be e...
Natural-language policies found in X.509 PKI describe an organization’s stated policy as a set of requirements for trust. The widespread use of X.509 underscores the importance ...
Public Key Infrastructure (PKI) security depends upon secure management and usage of trust anchors. Unfortunately, widely used mechanisms, management models and usage practices re...