FLSA: Extending Latent Semantic Analysis with Features for Dialogue Act Classification Riccardo Serafin author Barbara Di Eugenio author 2004-07 text Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics (ACL-04) Barcelona, Spain conference publication serafin-di-eugenio-2004-flsa 10.3115/1218955.1219043 https://aclanthology.org/P04-1088/ 2004-07 692 699