Hejie is a second year PhD student in the Computer Science Department of Emory University. Her research interests include graph data mining, text data mining and information retrieval. She currently works with Dr.Eugene Agichtein and Dr.Carl Yang. Before joing Emory, she got her bachelor’s degree in Software Engineering from Tongji University. AI in medical imaging and computer vision is her previous fields during undergraduate study, where she focus on lung vessel segmentation from CT images.