His work has primarily focused on nature language processing, information retrieval, search engine user behavior analysis. He has rich experience in designing and applying probabilistic graphical models & deep neural networks in industry. His work has appeared in major journals and conferences such as SIGIR, CIKM, TOIS, and IRJ. His main achievements include 2015 SIGIR Best Paper Honorable Mention Award, 2015 Scientific Technology Advance Award of Beijing City (First Prize), 2016 CIPS Excellent PHD thesis Award, 3rd Position in 2018 Chinese Machine Reading Comprehension competition and 3rd Position in 2019 Chinese Machine Reading Comprehension competition.