[maoeurk]

I've been wanting to make a datalog tagging system for a few things for a while now but don't have the energy to actually do it. Essentially the idea is to encode relationships allowing for very specific queries like: "show me pictures of a person wearing a green hat looking at another person" which is not something most tagging systems could reasonably do.

Breaking that down, that'd be something like:

  wearing(person1, hat), is_hat(hat), is_green(hat), is_person(person1), is_person(person2), looking_at(person1, person2).

I wanted to apply this to Brazilian Jiu Jitsu videos to be able to find very specific queries like, "matches where player 1 gets a takedown, gets swept by player 2, and player 2 wins by submission". A sufficiently well tagged data set would let you find specific stories and sequences of events in a way that I don't think a non-computational query system could do.

Most of the effort and value around a system like this would be building a community of people to tag the data and tools to make that tagging easy... and perhaps a more user friendly query UI.

[youainti]

So you might be interested to know that medical information is described in the way that you propose. Snowmed CT [0] uses a standardized set of "relationships" between "concepts"

[0] https://en.wikipedia.org/wiki/SNOMED_CT?wprov=sfla1