Free Download — This Flickr data set contains over 2,000 downloaded images from 52 different groups. The information can be utilized for image content analysis in issues related to rich social media. Each image is indexed by its Flickr photo id and the corresponding group to which it belongs. Citation: Choudhury, M. D., Sundaram, H., Lin, Y-R., John, A., and Seligmann, D. D. (2009). ...