<p>In both EACOE enterprise architecture and BACOE business architecture, ontology is the backbone: it tells us what kinds of things exist in the enterprise, how they relate, and how those meanings stay consistent as we automate, integrate, and apply AI.</p><p></p><p>Today, that makes ontology not just a theoretical idea, but one of the most valuable, underused skills in the AI job market – and a critical success factor for serious Enterprise Architecture and Business Architecture work.</p><p></p><p>What an Ontology Really Is: Kinds of Things Together and Their Relationships In information and computer science, an ontology is a formal description of knowledge in a domain – the kinds of things (concepts/classes) and the relationships between them. It is more than a glossary; it is a structured model of meaning that both humans and machines can use.</p>