Unifying Annotated Discourse Hierarchies to Create a Gold Standard Marco Carbone author Ya’akov Gal author Stuart Shieber author Barbara Grosz author 2004-apr 30 - may 1 text Proceedings of the 5th SIGdial Workshop on Discourse and Dialogue at HLT-NAACL 2004 Association for Computational Linguistics Cambridge, Massachusetts, USA conference publication carbone-etal-2004-unifying https://aclanthology.org/W04-2323/ 2004-apr 30 - may 1 118 126