Understanding and maintaining the structure of large ontologies is a cognitively demanding task. Visualizations are commonly used as a cognitive aid for presenting large ontologie...
Among the advantages of visual dataflow programming is that it can give the user a sense of location for the data in a computation. This can help novices build a mental picture of...
Scientific visualization and simulation frameworks mostly use data/event flow mechanisms for simulation specification, control, and interactivity. Even though object orientation p...
This paper presents XXL, a new interactive development system for building user interfaces which is based on the concept of textual and visual equivalence. XXL includes an interac...
Constraint based draw programs require users to understand and manage relationships between drawing elements. By establishing constraint relationships among elements the user effe...