In this work, we hypothesise that some silent pauses, in specific conditions, may also have an interactional role which is interpreted by the speaker as a clarification neeed.
Among possible pragmatic feedback an interlocutor can use to acknowledge the degree
of understanding of an utterance, clarification
requests (CRs) are to be considered. The
functional role of CRs can furthermore be expressed via silent pauses - or failed turn-giving
moves - which express an understanding problem and are solved through a clarify speech
act.
With the advent of artificial intelligence and natural user interfaces,the need for multimedia material that can be semantically interpreted in real time becomes critical. In