Xiang-Gen Xiao, University of Delaware (image) University of Delaware Share Print E-Mail Caption The University of Delaware's Xiang-Gen Xiao believes new mathematical tools are needed to deal with big data. Credit Ambre Alexander Payne/University of Delaware Usage Restrictions Image must include credit to University of Delaware. Share Print E-Mail 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.