I’m pretty sure the approach isn’t that novel, but I really rediscovered it on my own while exploring several compressions approaches (generic compressions with tailored dict like zstd, integer packing/compressions, compressed bitmap, …: I probably have my notes about these somewhere)

As such, I don’t have any name/papers to give you nor point you to similar application. But I would also be interested ^^

But don’t hesitate to reach out if you work on something similar and wanna discuss about it.