Indexing on Semantic Roles for Question Answering Luiz Augusto Pizzato author Diego Mollá author 2008-08 text Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering Mark A Greenwood editor Coling 2008 Organizing Committee Manchester, UK conference publication pizzato-molla-2008-indexing https://aclanthology.org/W08-1810/ 2008-08 74 81