I've developed a few different security graphs also using Neo, and I wasn't aware of Cartography - well done! You can encode entire policy DSLs in graphs, and

I've developed a few different security graphs also using Neo, and I wasn't aware of Cartography - well done! You can encode entire policy DSLs in graphs, and I can foresee a graph replacement for UMA/XACML emerging organically. Add DLT concepts to it, and it's a huge deal, imo.