In the past several years, there have been numerous announcements of Linux-based handheld computers and PDAs for both general purpose and specialized mobile computing applications, that are either newly released or in various stages of development.
D. Sonntag, and P. Heim. KI 2007: Advances in Artificial Intelligence, volume 4667 of Lecture Notes in Computer Science, page 506-509. Berlin, Heidelberg, Springer, (2007)