https://andreasnissen.dev/tags/context-engineering/Recent content in Context Engineering on Andreas NissenHugoen-us© Andreas NissenFri, 28 Aug 2026 00:00:00 +0000https://andreasnissen.dev/writing/ontology-is-more-than-context/Fri, 28 Aug 2026 00:00:00 +0000https://andreasnissen.dev/writing/ontology-is-more-than-context/<p>Context is what an AI system can see for the current task.</p> <p>An ontology defines what that information means.</p> <p>The terms are related, and they are not interchangeable. A long prompt can contain plenty of context without a stable model of the domain. An ontology can describe the domain even when only a small part of it is retrieved for one request.</p> <h2 id="context-is-task-specific-evidence">Context is task-specific evidence</h2> <p>Context is assembled for a particular interaction. It can include instructions, documents, records, conversation state, retrieved passages, tool results, and user preferences.</p>