Automating Data Visualization

Nice little instructive, technical piece:

Automating Data Visualization with Ruby and Graphviz
I often have the need to visualize data from the enterprise resource planning system we use at work. For those not familiar, an ERP is a collection of servers and software that essentially create a common environment for people to monitor and plan a business. One of the downsides I’ve ran into with our ERP system is that the data within is huge, complex, and not easy to visualize... "