Contextual phenomena and thematic relations in database QA dialogues: results from a Wizard-of-Oz experiment

Authors:
Núria Bertomeu;Hans Uszkoreit;Anette Frank;Hans-Ulrich Krieger;Brigitte Jörg
Affiliations:
Saarland University, Saarbrücken, Germany;Saarland University, Saarbrücken, Germany;German Research Center of Artificial Intelligence, Saarbrücken, Germany;German Research Center of Artificial Intelligence, Saarbrücken, Germany;German Research Center of Artificial Intelligence, Saarbrücken, Germany
Venue:
IQA '06 Proceedings of the Interactive Question Answering Workshop at HLT-NAACL 2006
Year:
2006

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Abstract

Considering data obtained from a corpus of database QA dialogues, we address the nature of the discourse structure needed to resolve the several kinds of contextual phenomena found in our corpus. We look at the thematic relations holding between questions and the preceding context and discuss to which extent thematic related-ness plays a role in discourse structure.