Dr. LIANG, Sai is Associate Professor of Tourism Management in College of Tourism and Service Management at Nankai University. His research interests include tourism big data, online reviews and sharing economy. He has obtained several grants from National Natural Science Foundation of China and Ministry of Education of China. He serves as editorial board member of SSCI journals like Humanities and Social Sciences Communications and also guest editor of SSCI Journals like Electronic Markets. He has published more than 40 papers in leading journals such as ATR, TM, JTR, IJHM and IJCHM. Five of his papers has been identified as ESI highly cited papers and ESI hot papers.