In this paper we study a subclass of pebble automata (PA) for data languages for which the emptiness problem is decidable. Namely, we show that the emptiness problem for weak 2-peb...
In this article, we present the projective equation of a circle in a perspective view, which naturally encodes such important geometric entities as the projected circle center, th...
We present a way to bring cartoon objects and characters into the third dimension, by giving them the ability to rotate and be viewed from any angle. We show how 2D vector art dra...
Participants in a real-time groupware conference require a sense of awareness about other people's interactions within a large shared workspace. Fisheye views can afford this...
: In this paper, we present a software engineer's view of user-interface development. First, we illustrate the main problem areas responsible for difficulties in building high...