Nitin Agarwal author Ravi Shankar Reddy author Kiran Gvr author Carolyn Penstein Rosé author 2011-06 text Sadao Kurohashi editor Association for Computational Linguistics Portland, Oregon conference publication agarwal-etal-2011-scisumm https://aclanthology.org/P11-4020/ 2011-06 115 120