An importantpart of dialoguemanagementin a dialoguesystemis topicmanagementThe systemhas to keep track of topic aspects (current topic, context, obligations,. . . ) in order to be able to resolve ambiguities and to respond in a cooperative and sensible way. In the project, we are developing a system that takes part in a conversation about theater performances and is able to make ticket reservat...

THE Deputy Keeper of the Public Records of Northern Ireland has kindly allowed us to reproduce th,is attendance or class certificate issued by Doctor Laennec in 1826 to John Creery Ferguson (Figure 1). John Ferguson was a native of Tandragee, County Armagh. Born in 1802, he received the degree of M.B. from Trinity College, Dublin, in 1827, and became eventually the second professor of medicine ...