State Key Laboratory of Software Development Environment, Key Laboratory of Biomechanics and Mechanobiology of Ministry of Education, Beihang University, Beijing, China. xuyan04@gmail.com.|State Key Laboratory of Software Development Environment, Key Laboratory of Biomechanics and Mechanobiology of Ministry of Education, Beihang University, Beijing, China. arcduke7@163.com.|State Key Laboratory of Software Development Environment, Key Laboratory of Biomechanics and Mechanobiology of Ministry of Education, Beihang University, Beijing, China. weijunsheng90@gmail.com.|The National Centre for Text Mining, School of Computer Science, The University of Manchester, Manchester, UK. sophia.ananiadou@manchester.ac.uk.|State Key Laboratory of Software Development Environment, Key Laboratory of Biomechanics and Mechanobiology of Ministry of Education, Beihang University, Beijing, China. yubofan@buaa.edu.cn.|Jinhua Peoples Hospital, Jinhua, China. qianyicosta@163.com.|Microsoft Research Asia, Beijing, China. eric.chang@microsoft.com.|Microsoft Research Asia, Beijing, China. jtsujii@microsoft.com.