Parenthetical Classification for Information Extraction Ismail El Maarouf author Jeanne Villaneau author 2012-12 text Proceedings of COLING 2012: Posters Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication el-maarouf-villaneau-2012-parenthetical https://aclanthology.org/C12-2030/ 2012-12 297 308