Modelling Denial of Expectation in Dialogue: Issues in Interpretation and Generation
Kavita Elisheba Thomas, Colin Matheson · 2002
We aim to model the semantics of “but”in dialogue, focusing on cases in whichit signals denial of expectation (DofE)across speakers. We present an algorithmthat predicts the defeated expectationfrom the perspective of thehearer of the DofE, and we considerdifferences between task-oriented dialogue(TOD) and non-task-oriented dialogue(NTOD). We motivate this workby showing how it updates beliefs inan Information State (IS) model of dialogueand can be used to facilitate discourseunderstanding and natural languagegeneration (NLG).