Maria Balcan (IMAGE) Association for Computing Machinery Caption Maria Florina "Nina" Balcan of Carnegie Mellon University is the recipient of the 2019 ACM Grace Murray Hopper Award for foundational and breakthrough contributions to minimally-supervised learning. Credit Association for Computing Machinery Usage Restrictions None License Licensed 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.