Ute Winter author Roni Ben-Aharon author Daniel Chernobrov author Ron Hecht author 2011-06 text Joyce Y Chai editor Johanna D Moore editor Rebecca J Passonneau editor David R Traum editor Association for Computational Linguistics Portland, Oregon conference publication winter-etal-2011-topics https://aclanthology.org/W11-2021/ 2011-06 185 193