Classification of Discourse Coherence Relations: An Exploratory Study using Multiple Knowledge Sources Ben Wellner author James Pustejovsky author Catherine Havasi author Anna Rumshisky author Roser Saurí author 2006-07 text Proceedings of the 7th SIGdial Workshop on Discourse and Dialogue Jan Alexandersson editor Alistair Knott editor Association for Computational Linguistics Sydney, Australia conference publication wellner-etal-2006-classification https://aclanthology.org/W06-1317/ 2006-07 117 125