Knowledge extraction is a fundamental notion, modeling machine possession of values (witnesses) in a computational complexity sense and enabling one to argue about the internal st...
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...
Identity management has arisen as a major and urgent challenge for internet-based communications and information services. Internet services involve complex networks of relationshi...
Radio Frequency Identification (RFID) technology provides the means to track any object, any time, anywhere with Electronic Product Codes (EPC). A major consequence of this techno...
Active worms continue to pose major threats to the security of today's Internet. This is due to the ability of active worms to automatically propagate themselves and compromi...