The representation and use of focus in dialogue understanding.
The representation and use of focus in dialogue understanding.
User-system dialogues and the notion of focus
The Knowledge Engineering Review
The Proposition Bank: An Annotated Corpus of Semantic Roles
Computational Linguistics
Follow-up question handling in the imix and ritel systems: A comparative study
Natural Language Engineering
IQA '06 Proceedings of the Interactive Question Answering Workshop at HLT-NAACL 2006
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In a realistic Interactive Question Answering (IQA) setting, users frequently ask follow-up questions. By modeling how the questions' focus evolves in IQA dialogues, we want to describe what makes a particular follow-up question salient. We introduce a new focus model, and describe an implementation of an IQA system that we use for exploring our theory. To learn properties of salient focus transitions from data, we use logistic regression models that we validate on the basis of predicted answer correctness.