Radial, space-filling visualizations can be useful for depicting information hierarchies, but they suffer from one major problem. As the hierarchy grows in size, many items becom...
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...
Multithreaded applications are notoriously difficult to design and build while avoiding defects. Many of Compaq's customers need to employ threads to implement high-performanc...
A CoWeb is a collaborative Web space that allows people to modify content and create new pages in a very easy fashion. We modified the original CoWeb to visualize interaction hist...
Due to the limited computational capacity of visual systems and the limited capacity to perform several mental operations at once, animals only select a small proportion of the sti...