3 ms·

https://en.wikipedia.org/wiki/Celestial_Emporium_of_Benevolent_Knowledge https://en.wikipedia.org/wiki/Celestial_Emporium_of_Benevole...

• PaulHoule 4y ago
  The trouble with that list is that those are supposed to be pigeonhole categories. "Those that belong to the emperor" is an alright category as any animal could belong or not belong to the emperor. You get in trouble working in a system where that has to be disjoint from "bird". "Those that look like flies from a long way away" is a category that contains all of them. A while back I was interested in databases like DBpedia and Freebase where you don't really state that anything is disjoint from anything else as most of the categories overlap with other categories. For instance, a person can be an Emperor and an Actor and a Wrestler... See Nero Claudius. Wikipedia doesn't necessarily distinguish between a video game, a manga and an anime that have the same title, so unless you are going to split the topic you're going to have something that is all three even though somebody might think those classes are disjoint. Lately I have been involved in OWL modelling of financial messages and there, as in some other domains, most classes are disjoint -- in some cases that's a deliberate decision of the modellers, in other cases it is fundamental to the platform I am sucking data out of.