1. DARPA Grand Challenge. Available at:http://www.darpa.mil/grandchallenge/. (Accessed July 7 2010).
2. International Planning Competition. Available at:http://ipc.icaps‐conference.org/. (Accessed July 7 2010).
3. Reinforcement Learning Competition. Available at:http://www.rl‐competition.org/. (Accessed July 7 2010).
4. RoboCup. Available at:http://www.robocup.org/. (Accessed July 7 2010).
5. On Seeing Robots