There are many other applications that work well with graph / triple store style approach to data. See eg Datomic and the several Datomic inspired databases (li

There are many other applications that work well with graph / triple store style approach to data. See eg Datomic and the several Datomic inspired databases (like Crux, Datahike, Datalevin, etc) used as general work horses in the Clojure world. I'd recommend trying non relational databases even if you're not sure.