Planning Aims for a Network of Horizontal and Overhead Sensors. - Erik Halvorson; Ronald Parr (WAFR, 2008)

Multi-Step Multi-Sensor Hider-Seeker Games. - Erik Halvorson; Vincent Conitzer; Ronald Parr (IJCAI, 2009)

Counting Objects with a Combination of Horizontal and Overhead Sensors. - Erik Halvorson; Ronald Parr (Int. J. Robotics Res., 2010)