The Watch-Bot project's work on using unsupervised learning to watch human workers and remind them of actions they've forgotten to take, has been written up by New Scientist: "Taskmaster robots watch while you work in case you miss a step" (link:

CS PhD student Chenxia Wu (project lead) and CS professor Bart Selman worked with Jiemi Zhang, Silvio Savarese, and Ashutosh Saxena on the project.