Paper: Context Modelling for IQA: the Role of Tasks and Entities

ACL ID W08-1604
Title Context Modelling for IQA: the Role of Tasks and Entities
Venue Coling 2008: Proceedings of the workshop on Cross-Framework and Cross-Domain Parser Evaluation
Session
Year 2008
Authors

In a realistic Interactive Question Answer- ing (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 partic- ular follow-up question salient. We intro- duce a new focus model, and describe an implementation of an IQA system that we use for exploring our theory. To learn prop- erties of salient focus transitions from data, we use logistic regression models that we validate on the basis of predicted answer correctness. 1 Questions within a Context Question Answering (QA) systems have reached a high level of performance within the scenario orig- inally described in the TREC competitions, and are ready to tackle new challenges as shown by the new tracks proposed in recent instantiations (Voorh...