Representing Systems with Hidden State. - Christopher Hundt; Prakash Panangaden; Joelle Pineau; Doina Precup (AAAI, 2006)

The Duality of State and Observation in Probabilistic Transition Systems. - Monica Dinculescu; Christopher Hundt; Prakash Panangaden; Joelle Pineau; Doina Precup (TbiLLC, 2011)