Learning the Relative Usefulness of Questions in Community QA Razvan Bunescu author Yunfeng Huang author 2010-10 text Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing Hang Li editor Lluís Màrquez editor Association for Computational Linguistics Cambridge, MA conference publication bunescu-huang-2010-learning https://aclanthology.org/D10-1010/ 2010-10 97 107