SemQuest: University of Houston's Semantics-based Question Answering System. - Araly Barrera; Rakesh M. Verma; Ryan E. Vincent (TAC, 2011)

Multiple constraint satisfaction problems using the A-star (A*) search algorithm: classroom scheduling with preferences. - Kian L. Pokorny; Ryan E. Vincent (J. Comput. Sci. Coll., 2013)