His research interests include data quality and data integration. He has published more than 20 papers in top conferences and journals, including SIGMOD, VLDB, ICDE, KDD, TODS, VLDBJ, TKDE, etc. Dr. Song served in organization committees and program committees in international conferences/workshops, such as ICDE, KDD, IJCAI, CIKM, DASFAA, BigData, ...