This is a rough draft studying the idea of building a platform where anyone can create their own map listings in the likes of airbnb, foursquare, booking, trip advisor, etc..
Existing map based location suggestion apps are broken.
And the biggest reason is user's divergent tastes.
What is 5⭐ for one person can easily be 1⭐ for another
Curated lists that weight user's listings ratings based on taste similarity with the curator(s).
By comparing user's ratings with each other it's possible to get an idea of how similar or different they are.