Discourse Level Opinion Interpretation Swapna Somasundaran author Janyce Wiebe author Josef Ruppenhofer author 2008-08 text Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008) Donia Scott editor Hans Uszkoreit editor Coling 2008 Organizing Committee Manchester, UK conference publication somasundaran-etal-2008-discourse https://aclanthology.org/C08-1101/ 2008-08 801 808