Hilbert, D., and D. Redmiles,
"Extracting Usability Information from User Interface Events",
ACM Computing SurveysACM Computing Surveys, vol. 32, no. 4, pp. 384-421, December, 2000.
Hilbert, D., and D. Redmiles,
"Large-Scale Collection of Usage Data to Inform Design",
Eighth IFIP TC 13 Conference on Human-Computer Interaction (INTERACT 2001), Tokyo, Japan, pp. 384-421, July, 2001.