Hybrid Question Answering System (IMAGE) Carnegie Mellon University Caption Evorus is a chatbot that uses a combination of artificial intelligence and crowd workers to answer questions on a broad range of topics. Credit Carnegie Mellon University 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.