Data Visualization

[bcholmes]

Imagine this scenario: you have a large body of newspaper articles. You can extract from all of the articles a list of key words. And you can gather metrics about which key words are most common, etc.

A tag cloud is a traditional way of representing the relative importance of a list of key words. What a tag cloud lacks is any representation of the relationship between key words. If you can say that "AIDS" and "HIV" are very frequently used together, but that "Pope" is only occasionally used in the same article, is there a good visualization that shows both relative importance and relationship?