Table of Contents

I Theory.- 1. Diagram Understanding: the Symbolic Descriptions Behind the Scenes.- II Design Systems.- 2. The Interface Construction Set.- 3. A Visual Environment for the Design of Distributed Systems.- 4. Generation of Visual Languages for Development of Knowledge-Based Systems.- III Visual Programming.- 5. Visual Man-Machine Interface for Program Design and Production.- 6. Hi-visual Iconic Programming Environment.- 7. Alex—An Alexical Programming Language.- IV Algorithm Animation.- 8. Visual Programming of Program Visualizations: a Gestural Interface for Animating Algorithms.- 9. Principles of aladdin and other Algorithm Animation Systems.- V Simulation Animation.- 10. Simulacrum: a System Behavior Example Editor.- 11. Action Graphics: A Spreadsheet-Based Language for Animated Simulation.- 12. Animation Using Behavior Functions.- VI Applications.- 13. A Visual Environment for Liver Simulation Studies.- 14. A Spatial Knowledge Structure for Visual Information Systems.- 15. The use of Visual Representations in Information Retrieval Applications.- 16. Generalizing the Sheet Language Paradigm.- Epilogue.