Venn diagrams and Euler circles have long been used to express constraints on sets and their relationships with other sets. However, these notations can get very cluttered when we...
A visualization framework can be seen as a solution to a specialized data flow problem. Spiegel1 is a visualization framework which uses the Unix pipeline model to execute program...
The Conceptual Programming environment, CP, being developed at the Computing Research Laboratory (CRL), is a complete knowledge representation visual programming environment for u...
Recently a new metaphor for diagramming, the intelligent diagram has emerged. This new metaphor provides an excellent basis for diagram beautification since it automatically colle...
We present a new approach to an interactive design and analysis environment for visual languages. The main components, i.e., editor, animator, and interpreter, are introduced. The...