Ruoxi Jia with Ph.D. student (IMAGE) Virginia Tech Caption Ruoxi Jia works with Ph.D. student Feiyang Kang (at left) on data valuation techniques for their research. Credit Photo by Chelsea Seeber for Virginia Tech. Usage Restrictions Must credit Virginia Tech License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.