His research interests include machine translation, deep learning, multi-lingual natural language processing. He has published more than 20 papers in top conference including AAAI, IJCAI, ACL, EMNLP, COLING and in international journals including IEEE/ACM TASLP, IEEE Intelligent Systems, ACM TALLIP and TACL. He also received several best papers from PACLIC-2009, NLPCC-2012 and CWMT-2014.