- The algorithm is kind of like collaborative filtering, but it filters over previous listening sessions of the same user rather than different users.
- Backend is written with Clojure on Datomic cloud ions. Having Datalog queries for one thing was a huge help. Not sure if the performance characteristics of Datomic will make it work for this use case in the long term, but I'm planning to stick with it until I have to move.
Sorry the installation procedure is a little janky. I was going to polish it but decided it would be a better use of time to move immediately into developing mobile apps instead since those will reach a wider audience. Let me know if you run into any install issues though.
I've been using this for ~1.5 weeks now and it's been really nice. I hope someone else finds it useful.