Automatic Classification of Semantic Relations between Facts and Opinions Koji Murakami author Eric Nichols author Junta Mizuno author Yotaro Watanabe author Hayato Goto author Megumi Ohki author Suguru Matsuyoshi author Kentaro Inui author Yuji Matsumoto author 2010-08 text Proceedings of the Second Workshop on NLP Challenges in the Information Explosion Era (NLPIX 2010) Sadao Kurohashi editor Takehito Utsuro editor Coling 2010 Organizing Committee Beijing, China conference publication murakami-etal-2010-automatic https://aclanthology.org/W10-3904/ 2010-08 21 30