>For example, “a person has a mother” would be a morphism from the “person” object, to the “mother” object. I called such a linguistic category an olog, playing on the word blog.

I am sorry I don't see a conceptional difference between ologs and rdf - but then I don't understand all the categorical technicalities (and frankly I don't really want to). rdf itself was inspired by (english) grammar: SPO and the concept of linking. So briefly I understand that people want to teach computers grammars, contexts and the like. I haven't though really understood by your post how exactly this formalism might eventually enhance human understanding, apart may be from the fact that showing others your mind map is surely a way of expressing yourself:

>In this setup, the simplicial complex of human knowledge should grow organically. Scientists, business people, and other people might find benefit in ologging their ideas and conceptions, and using them to learn from their peers.