Alan L. Liu Harlan Hile Gaetano Borriello Pat A. Brown Mark Harniss Henry A. Kautz Kurt Johnson Customizing directions in an automated wayfinding system for individuals with cognitive impairment. 27-34 2009 ASSETS http://doi.acm.org/10.1145/1639642.1639649 conf/assets/2009 db/conf/assets/assets2009.html#LiuHBBHKJ09