How do you dynamically customize the programming language available in a context within an existing system, without changing the underlying system? This dissertation introduces a language design approach that addresses this problem. The basic idea is to structure programs as systems of multiple interacting levels of abstraction, where all of the…

In the past three years, higher education institutions have made a number of moves to secure their critical systems and protect their users, resulting in a marked change in the techniques used to combat security threats. Today, continued progress may depend on the development of an enterprise IT security program. (Contains 10 notes.)

Many organizations grapple with a glut of electronic information spawned by stockpiles of incompatible computers. This book offers solutions in information sharing and computer interaction. Rather than being about the Internet per se, it is about approaches that are characteristic of the Internet and the managerial and technical aspects of…