The following publications are possibly variants of this publication:
- Hourly analysis of a very large topically categorized web query logSteven M. Beitzel, Eric C. Jensen, Abdur Chowdhury, David A. Grossman, Ophir Frieder. sigir 2004: 321-328 [doi]
- Automatic classification of Web queries using very large unlabeled query logsSteven M. Beitzel, Eric C. Jensen, David D. Lewis, Abdur Chowdhury, Ophir Frieder. tois, 25(2):9, 2007. [doi]