We have run REU-CAAR from 2013-2018. You can learn what we did then from the sidebar. In addition there is:
Report on the program 2016-2018
Combinatorics and Algorithms for Real Problems (CAAR) is a 10 week NSF funded research program designed to bridge the disconnect between the theory (algorithms, probability, combinatorics) and other disciplines within Computer Science (AI, Operations Reseach, others.) Rather than wax philosophical about this just go Look at the Projects!