Detection of Opinions and Facts. A Cognitive Approach Yann Vigile Hoareau author Adil El-Ghali author Charles Tijus author 2009-09 text Proceedings of the International Conference RANLP-2009 Galia Angelova editor Ruslan Mitkov editor Association for Computational Linguistics Borovets, Bulgaria conference publication hoareau-etal-2009-detection https://aclanthology.org/R09-1029/ 2009-09 150 154