I propose a set of criteria which distinguish a grand challenge in science or engineering from the many other kinds of short-term or long-term research problems that engage the int...
We study the behavioural theory of Cardelli and Gordon’s Mobile Ambients. We give an lts based operational semantics, and a labelled bisimulation based equivalence that coincide...
We study the resource calculus – the non-lazy version of Boudol’s λ-calculus with resources. In such a calculus arguments may be finitely available and mixed, giving rise to ...
A CORDIC based processor array which can be programmed by switch settings to compute the Discrete Hariley, Cosine or Sine lhnsforms or their inverses is described. Through a novel...
Producing Intelligent Tutoring Systems (ITSs) is a labor-intensive process, requiring many different skill sets. A major component of an ITS, the cognitive model, has historically...
Stephen Blessing, Stephen B. Gilbert, Steven Ritte...