UW Interactive Data Lab
Bibtex
@inproceedings{2006-timetree,
 title = {TimeTree: Exploring Time Changing Hierarchies},
 author = {Stuart K. Card AND Bongwon Suh AND Bryan Pendleton AND Jeffrey Heer AND John W. Bodnar},
 booktitle = {IEEE Visual Analytics Science \& Technology (VAST)},
 year = {2006},
 pages = {3--10},
 url = {http://idl.cs.washington.edu/papers/timetree},
}