We propose the role-and-relation-based access control (R2 BAC) model for workflow systems. In R2 BAC, in addition to a user's role memberships, the user's relationships w...
Free form shapes are often used to fulfil both aesthetic and design constraints applied to parametric models currently adopted in CAD environments. Up to now, designers and engine...
Vincent Cheutet, Jean-Philippe Pernot, Jean-Claude...
Data-driven Web services, viewed broadly as interactive systems available on the Web for users and programs, provide the backbone for increasingly complex Web applications. While ...
Purpose – Security information management systems (SIMs) have been providing a unified distributed platform for the efficient management of security information produced by co...
The United States Environmental Protection Agency (EPA) prepares a national criteria and hazardous air pollutant (HAP) emission inventory with input from numerous states, local an...