Easy data mining: "Religious center" is a top-level category. "Religious school" is a type of "School". "Marijuana Dispensary" is a type of "Shop & Service". "Gay Bar" is a type of "Bar".
More evolved: Find location patterns that correlate with known gay or religious people (for instance by cross-referencing data sources).
Easy data mining: "Religious center" is a top-level category. "Religious school" is a type of "School". "Marijuana Dispensary" is a type of "Shop & Service". "Gay Bar" is a type of "Bar".
More evolved: Find location patterns that correlate with known gay or religious people (for instance by cross-referencing data sources).
https://developer.foursquare.com/docs/resources/categories