an Entity references as follows:
Stefan Roth (born March 13, 1977, in Mainz, Germany) is a German computer scientist, professor of computer science and dean of the department of computer science of the Technische Universität Darmstadt. He heads the Visual Inference Lab. He is known for his research on computer vision and machine learning techniques in computer vision. His research focuses on recognition and tracking of people and objects, scene understanding, statistical image modeling and processing and motion modeling and prediction.