Dmitri Alexeev was recently featured on Opalesque where he spoke about his platform. The NilssonHedge database is available through his platform. I encourage you to watch it.
https://www.opalesque.tv/hedge-fund-videos/dmitri-alexeev/1
The alphabot platform can be found at: https://www.alphabot.net/
Sign up for the underlying database and a user account here (free).