Artificial intelligence (AI) is changing the way we look at the world. AI "robots" are everywhere. From our phones to devices like Amazon's Alexa, we live in a world surrounded by machine learning.

It wasn’t too long ago that talking to a computer and having it not only understand, but speak back, was confined to the realm of science fiction, like that of the shipboard computers of Star Trek.

Ontology: A formal, explicit specification of how to represent the objects, concepts, and other entities in a particular system, as well as the relationships between them Natural-language processing ...