Improving Question Recommendation by Exploiting Information Need Shuguang Li author Suresh Manandhar author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication li-manandhar-2011-improving https://aclanthology.org/P11-1143/ 2011-06 1425 1434