Funds would not share what they are doing because then others would do the same, narrow spreads and reduce profits for all participants. But you can get a good idea of what they might be working on by some of their workers' expertise. Notice how places like RenTech (https://en.wikipedia.org/wiki/Renaissance_Technologies and https://www.bloomberg.com/news/articles/2016-11-21/how-renai...), Two Sigma, and others hire loads of NLP and machine learning academics.