Xiang Wang is now a research fellow in NExT++, School of Computing, National University of Singapore. His research interests include information retrieval, data mining, and explainable AI, particularly in recommender systems, graph learning, and social media analysis. Moreover, he has served as the PC member for top-tier conferences including SIGIR and MM, and the invited reviewer for prestigious journals including TKDE, TOIS, TKDD, and TIST.