His research interests include crowdsourced data management, large-scale data cleaning and integration, and big spatio-temporal data analytics. He has regularly served as the PC members of many premier conferences, such as SIGMOD, VLDB, KDD, ICDE, WWW, IJCAI, and AAAI. He was a PC co-chair of WAIM 2014, WebDB 2014, NDBC 2016, and an area chair of CIKM 2016-2017. He is an associated editor of some premier journals, such as TKDE, Big Data Research, and FCS. He has published more than 80 papers in premier conferences and journals, such as SIGMOD, VLDB, ICDE, SIGKDD, SIGIR, ACM TODS, VLDB Journal, and TKDE. His papers have been cited more than 3600 times. He received IEEE TCDE Early Career Award, and best paper awards/nominations at DASFAA 2014 and APWeb 2014.