His research interests lie in the field of information retrieval and data mining. He has published in venues such as SIGIR, KDD, CIKM, ECIR, TKDE and Information Processing & Management. He is an Editor member of Information Processing & Management (2016--present). He is PC member in WWW 2018/WSDM 2018/SIGIR 2017/2016/2015/CIKM 2017 etc, and served as reviewer for ACM TOIS, ACM trans. on the Web, IP&M, Information Fusion, SIGIR 2014/2015/2016, CIKM 2015/2017, ACL 2016, AAAI 2017, WSDM 2018, WWW 2018, AAAI 2019, WSDM 2019 etc.