Interpreting Presuppositions Using Active Logic: From Contexts to Utterances. - John Gurney; Donald Perlis; Khemdut Purang (Comput. Intell., 1997)

Conversational adequacy: mistakes are the essence. - Donald Perlis; Khemdut Purang; Carl F. Andersen (Int. J. Hum. Comput. Stud., 1998)

Representations of Dialogue State for Domain and Task Independent Meta-Dialogue. - David R. Traum; Carl F. Andersen; Waiyian Chong; Darsana P. Josyula; Yoshi Okamoto; Khemdut Purang; Michael O'Donovan-Anderson; Donald Perlis (Electron. Trans. Artif. Intell., 1999)

Alma/Carne: Implementation of a Time-Situated Meta-Reasoner. - Khemdut Purang (ICTAI, 2001)