[ta988]

How would you use it? For searches.

If I want to find something in the brain but not in bone structures. If I want to find something in a kind of cell but that have a nucleus.

They are also extremely useful for automated annotation. Your automated system may annotate with a upper term because it doesn't have enough information to be more precise. That's already a big help for a human to come and put a more precise term.

We are at a convergence of technologies, with ontologies, graphs, llms and logic programming. A lot of people were too early on this and discouraged from pursuing further by people that couldn't grasp why it was so important.