Why Agentic Systems Need Ontologies [video] Agentic systems require ontologies to function effectively, according to a video presentation. The talk argues that structured knowledge representations are essential for AI agents to reason and act coherently in complex environments. The video was published on YouTube under Google LLC's copyright for 2026. About Press Copyright Contact us Creators Advertise Developers Impressum Cancel Memberships Terms Privacy Policy & Safety How YouTube works Test new features © 2026 Google LLC