Efficient Collaborative Discourse: A Theory and Its Implementation Alan W Biermann author Curry I Guinn author D Richard Hipp author Ronnie W Smith author 1993 text Human Language Technology: Proceedings of a Workshop Held at Plainsboro, New Jersey, March 21-24, 1993 conference publication biermann-etal-1993-efficient https://aclanthology.org/H93-1034/ 1993