Identifying agreement and disagreement in conversational speech

Michel Galley, Kathleen McKeown, Julia Hirschberg, Elizabeth Shriberg
2004 Proceedings of the 42nd Annual Meeting on Association for Computational Linguistics - ACL '04  
We describe a statistical approach for modeling agreements and disagreements in conversational interaction. Our approach first identifies adjacency pairs using maximum entropy ranking based on a set of lexical, durational, and structural features that look both forward and backward in the discourse. We then classify utterances as agreement or disagreement using these adjacency pairs and features that represent various pragmatic influences of previous agreement or disagreement on the current
more » ... rance. Our approach achieves 86.9% accuracy, a 4.9% increase over previous work.
doi:10.3115/1218955.1219040 dblp:conf/acl/GalleyMHS04 fatcat:mp2fk2id3fbv7p76eywheztp7u