Complete Public Reddit Comments Corpus (2007-2015)
Complete dataset of public comments posted to Reddit (http://www.reddit.com) comments from October 2007 to May 2015.
informatics
TV News Archives
Repository of televised news, including (for many) captions and rough statistics for content
EOS: The Expandable Open Source Database
Unstructured dataset of open-source media articles
YouTube-8M
Dataset of 8 million annotated YouTube videos, including a variety of audio and visual features.
iDASH (Integrating Data for Analysis, Anonymization, and Sharing)
Repository of biomedical and informatics data with some data on health psychology