标题:Abduction, Belief and Context in Dialogue: Studies in Computational Pragmatics Harry Bunt and William Black (editors) (Tilburg University and UMIST) Amsterdam: John Benjamins (Natural language processing series, edited by Ruslan Mitkov, volume 1), 2000, vi+471 pp; hardbound, ISBN 1-55619-794-2 and 90-272-4983-0, \$90.00