AIM Research Group: Interactive

Interactive

Input for Surface Computing
Gestures and touch-typing for input on surface computers.

Findlater, L. and Wobbrock, J.O. (2012). From plastic to pixels: In search of touch-typing touchscreen keyboards. interactions. To appear.
Findlater, L., Lee, B.Q. and Wobbrock, J.O. (2012). Beyond Qwerty: Augmenting touch screen keyboards with multi-touch gestures for non-alphanumeric input. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '12). Austin, Texas (May 5-10, 2012). New York: ACM Press. To appear. Honorable Mention Paper.
Findlater, L. and Wobbrock, J.O. (2012). Personalized input: Improving ten-finger touchscreen typing through automatic adaptation. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '12). Austin, Texas (May 5-10, 2012). New York: ACM Press. To appear.
Kane, S.K., Morris, M.R., Perkins, A.Z., Wigdor, D., Ladner, R.E., and Wobbrock, J.O. (2011). Access Overlays: Improving non-visual access to large touch screens for blind users. Proceedings of the ACM Symposium on User Interface Software and Technology (UIST '11). Santa Barbara, California (October 16-19, 2011). New York: ACM Press, pp. 273-282. [vimeo]
Kane, S.K., Wobbrock, J.O. and Ladner, R.E. (2011). Usable gestures for blind people: Understanding preference and performance. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '11). Vancouver, British Columbia (May 7-12, 2011). New York: ACM Press, pp. 413-422. Best Paper Winner.
Findlater, L., Wobbrock, J.O. and Wigdor, D. (2011). Typing on flat glass: Examining ten-finger expert typing patterns on touch surfaces. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '11). Vancouver, British Columbia (May 7-12, 2011). New York: ACM Press, pp. 2453-2462. Honorable Mention Paper.
Morris, M.R., Wobbrock, J.O. and Wilson, A.D. (2010). Understanding users' preferences for surface gestures. Proceedings of Graphics Interface (GI '10). Ottawa, Ontario, Canada (May 31-June 2, 2010). Toronto, Ontario: Canadian Information Processing Society, pp. 261-268.
Wobbrock, J.O., Morris, M.R. and Wilson, A.D. (2009). User-defined gestures for surface computing. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '09). Boston, Massachusetts (April 4-9, 2009). New York: ACM Press, pp. 1083-1092. Best Paper Nominee.

Usability and Software Engineering
Understanding behavior and creating tools to improve software engineering and software usability.

Chilana, P.K., Ko, A.J. and Wobbrock, J.O. (2012). LemonAid: Selection-based crowdsourced contextual help for web applications. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '12). Austin, Texas (May 5-10, 2012). New York: ACM Press. To appear.
Chilana, P.K., Ko, A.J., Wobbrock, J.O., Grossman, T. and Fitzmaurice, G. (2011). Post-deployment usability: A survey of current practices. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '11). Vancouver, British Columbia (May 7-12, 2011). New York: ACM Press, pp. 2243-2246.
Ko, A.J. and Wobbrock, J.O. (2010). Cleanroom: Edit-time error detection with the uniqueness heuristic. Proceedings of the IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC '10). Madrid, Spain (September 21-25, 2010). Washington, D.C.: IEEE Computer Society, pp. 7-14. Best Paper Winner. [web]
Chilana, P.K., Ko, A.J. and Wobbrock, J.O. (2010). Understanding expressions of unwanted behaviors in open bug reporting. Proceedings of the IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC '10). Madrid, Spain (September 21-25, 2010). Washington, D.C.: IEEE Computer Society, pp. 203-206.
Chilana, P.K., Wobbrock, J.O. and Ko, A.J. (2010). Understanding usability practices in complex domains. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '10). Atlanta, Georgia (April 10-15, 2010). New York: ACM Press, pp. 2337-2346.
Chilana, P.K., Ko, A.J. and Wobbrock, J.O. (2009). Designing software for unfamiliar domains. Workshop on Cooperative and Human Aspects of Software Engineering (CHASE '09). In Companion of the 31st International Conference on Software Engineering (ICSE '09). Vancouver, British Columbia (May 17, 2009). Washington, D.C.: IEEE Computer Society, p. 22.

Modeling Pointing Errors and Understanding Fitts' Law
Deriving and validating a model for pointing errors in user interfaces based on target and movement parameters. Will be useful in theoretical models of target acquisition. [test bed]

Wobbrock, J.O., Shinohara, K. and Jansen, A. (2011). The effects of task dimensionality, endpoint deviation, throughput calculation, and experiment design on pointing measures and models. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '11). Vancouver, British Columbia (May 7-12, 2011). New York: ACM Press, pp. 1639-1648.
Wobbrock, J.O., Jansen, A. and Shinohara, K. (2011). Modeling and predicting pointing errors in two dimensions. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '11). Vancouver, British Columbia (May 7-12, 2011). New York: ACM Press, pp. 1653-1656.
Wobbrock, J.O., Cutrell, E., Harada, S. and MacKenzie, I.S. (2008). An error model for pointing based on Fitts' law. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '08). Florence, Italy (April 5-10, 2008). New York: ACM Press, pp. 1613-1622. Best Paper Winner.

Contemplative Multitasking (NSF funded)
Exploring the effects of mindfulness-based meditation training on human-computer multitasking performance.

Levy, D.M., Wobbrock, J.O., Kaszniak, A.W. and Ostergren, M. (2012). The effects of mindfulness meditation training on multitasking in a high-stress information environment. Proceedings of Graphics Interface (GI '12). Toronto, Ontario (May 28-30, 2012). Toronto, Ontario: Canadian Information Processing Society. To appear.
Levy, D.M., Wobbrock, J.O., Kaszniak, A.W. and Ostergren, M. (2011). Initial results from a study of the effects of meditation on multitasking performance. Extended Abstracts of the ACM Conference on Human Factors in Computing Systems (CHI '11). Vancouver, British Columbia (May 7-12, 2011). New York: ACM Press, pp. 2011-2016.

Aligned Rank Transform for Nonparametric Factorial Analyses
Bringing the Aligned Rank Transform for nonparametric factorial analyses into human-computer interaction research. Providing tools to faciliate its use.

Wobbrock, J.O., Findlater, L., Gergle, D. and Higgins, J.J. (2011). The Aligned Rank Transform for nonparametric factorial analyses using only ANOVA procedures. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '11). Vancouver, British Columbia (May 7-12, 2011). New York: ACM Press, pp. 143-146. Honorable Mention Paper.

$1 and $N Gesture Recognizers
Exploring the performance of simple, easily implementable gesture recognition algorithms as they compare to high-end pattern matching algorithms many user interface prototypers can't or don't want to implement.

Anthony, L. and Wobbrock, J.O. (2012). $N-Protractor: A fast and accurate multistroke recognizer. Proceedings of Graphics Interface (GI '12). Toronto, Ontario (May 28-30, 2012). Toronto, Ontario: Canadian Information Processing Society. To appear.
Anthony, L. and Wobbrock, J.O. (2010). A lightweight multistroke recognizer for user interface prototypes. Proceedings of Graphics Interface (GI '10). Ottawa, Ontario, Canada (May 31-June 2, 2010). Toronto, Ontario: Canadian Information Processing Society, pp. 245-252. [video]
Wobbrock, J.O., Wilson, A.D. and Li, Y. (2007). Gestures without libraries, toolkits or training: A $1 recognizer for user interface prototypes. Proceedings of the ACM Symposium on User Interface Software and Technology (UIST '07). Newport, Rhode Island (October 7-10, 2007). New York: ACM Press, pp. 159-168. Invited for Reprise at Siggraph 2008. [youtube]