Finding Answers to Definition Questions Using Web Knowledge Bases Han Ren author Donghong Ji author Jing Wan author Chong Teng author 2009-12 text Proceedings of the 23rd Pacific Asia Conference on Language, Information and Computation, Volume 2 Olivia Kwong editor City University of Hong Kong Hong Kong conference publication ren-etal-2009-finding https://aclanthology.org/Y09-2006/ 2009-12 484 492