Exception handling is an important language feature for building more robust software programs. It is primarily concerned with capturing abnormal events, with the help of catch han...
The utility problem occurs when the cost of the acquired knowledge outweighs its bene ts. When the learner acquires control knowledge for speeding up a problem solver, the bene t ...
SPKI/SDSI is a language for expressing distributed access control policy, derived from SPKI and SDSI. We provide a first-order logic (FOL) semantics for SDSI, and show that it ha...
We describe the design and implementation of a trust-management system Soutei, a dialect of Binder, for access control in distributed systems. Soutei policies and credentials are w...
The security policy of an information system may include a wide range of different requirements. The literature has primarily focused on access and information flow control require...