The article deals with problems of dialogue handling in a natural speech dialog system. The central aspect of the article is the handling of presuppositions. A concept of presuppositions is defined that fits to questions. The handling of presuppositions by means of cooperative answering is worked out. Also the relation between presuppositions and anaphora will be discussed.
Bibliographic reference. Streit, Michael (1989): "Presuppositions and anaphora in a question answering speech system", In EUROSPEECH-1989, 1175-1178.