Classifying Sentences as Speech Acts in Message Board Posts Ashequl Qadir author Ellen Riloff author 2011-07 text Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing Regina Barzilay editor Mark Johnson editor Association for Computational Linguistics Edinburgh, Scotland, UK. conference publication qadir-riloff-2011-classifying https://aclanthology.org/D11-1069/ 2011-07 748 758