@inproceedings{2002-lumberjack,
 title = {LumberJack: Intelligent Discovery and Analysis of  Web User Traffic Composition},
 author = {Ed H. Chi AND Adam Rosien AND Jeffrey Heer},
 booktitle = {WEBKDD},
 year = {2002},
 pages = {1--16},
 url = {http://idl.cs.washington.edu/papers/lumberjack},
}