Getting the right software requirements under the right environment assumptions is a critical precondition for developing the right software. This task is intrinsically difficult....
We define a new fixpoint modal logic, the visibly pushdown ?-calculus (VP-?), as an extension of the modal ?-calculus. The models of this logic are execution trees of structured p...
As a large quantity of information is presented in XML format on the Web, there are increasing demands for XML security. Until now, research on XML security has been focused on th...
or cone, abstraction is chosen to represent a spectrum of user inputs/requirements that are narrowed, refined, and structured into a system design. User inputs require refinement f...
K. Suzanne Barber, Thomas J. Graser, Paul Grisham,...
process: Designers must define higher abstraction levels that allow system modeling. They must use description languages that handle both hardware and software components to descri...