HowNet Based Chinese Question Classification Dongfeng Cai author Jingguang Sun author Guiping Zhang author Dexin Lv author Yanju Dong author Yan Song author Chao Yu author 2006-11 text Proceedings of the 20th Pacific Asia Conference on Language, Information and Computation Tsinghua University Press Huazhong Normal University, Wuhan, China conference publication cai-etal-2006-hownet http://hdl.handle.net/2065/29066 https://aclanthology.org/Y06-1049/ 2006-11 366 369