To the Bookstore! Autonomous Wheelchair Navigation in an Urban Environment. - Corey Montella; Timothy Perkins; John R. Spletzer; Michael Sands (FSR, 2012)

Cultural Computing at Literature Scale: Encoding the Cultural Knowledge of Tens of Billions of Words of Academic Literature. - Kalev H. Leetaru; Timothy Perkins; Chris Rewerts (D Lib Mag., 2014)