Jianqiang Shen Jed Irvine Xinlong Bao Michael Goodman Stephen Kolibaba Anh Tran Fredric Carl Brenton Kirschner Simone Stumpf Thomas G. Dietterich Detecting and correcting user activity switches: algorithms and interfaces. 117-126 2009 IUI http://doi.acm.org/10.1145/1502650.1502670 conf/iui/2009 db/conf/iui/iui2009.html#ShenIBGKTCKSD09