Ontology and Data Science

If you are new to the word ontology don't worry, I'm going to give a primer on what it is, and then why it matters for the data world. I'll be explicit in the difference between philosophical ontology and the ontology related to information and data in computer science. In simple words, one can say that ontology is the study of what there is. But there is another part to that definition that will help us in the following sections, and that is ontology is usually also taken to encompass problems about the most general features and relations of the entities which do exist. Ontology open new doors for what there is too.