David Chu, Clement Song, Marty Humphrey, Bei Zhang. UVa Bus.NET: Enhancing User Experiences on Smart Devices through Context-Aware Computing. IEEE Consumer Communications and Networking Conference 2004 (CCNC 2004), Las Vegas, Nevada, 5-8 Jan 2004.
Ah, back when we were young and naïve, we thought we could predict bus schedules on handhelds.
UPDATE: It turns mobile bus schedule prediction is now more popular than back then. See [here] for example.