As part of her introduction to ontology enginering,1 Prof. Maria Keet has a slide depicting ontology as a layer apart from conceptual data models:

There’s a Python library called monty that supports a convention for moving between JSON objects and Python class instances.

I’ve heard the phrase “just the tip of the iceberg” used as a positive phrase when revealing value of which an audience might not have been previously aware.

An effective data unification system is like having an ATM network for your data.