Here is an excerpt:
This visualization shows how frequently citations occur between sections of U.S. Law.
Mouseover to focus on a particular Title. The thickness of the links between Titles encodes the frequency of citations between the sections, including self-citations. Since the names don’t fit in the chart, a full list of titles is included below and in a tooltip.
Data is based on U.S Code XML citation analysis […]
Based on d3.js and the Uber Data visualization.
For the visualization, and for more information, please see the complete post.