Urban Tribes Dataset (IMAGE) University of California - San Diego Caption Examples of social groups in the researchers' Urban Tribes dataset. More available on the Urban Tribes dataset website. Credit Jacobs School of Engineering/UC San Diego Usage Restrictions With credit to Jacobs School of Engineering/UC San Diego 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.