Microsoft Fabric IQ Ontology Step by Step

In this session we will deep dive into Ontologies in Microosft Fabric. Fabric IQ layer offers Ontologies to set up the context layer for your business data. Struggling with AI agents that hallucinate or give wrong answers from your data? The problem usually isn't your model — it's that your tables and schemas were built for machines, not for business meaning. In this video I walk you through Microsoft Fabric IQ and the Ontology feature end-to-end, so your data finally speaks the language of your business and your AI agents stop guessing. This is a complete A-to-Z, beginner-friendly guide. We start with the theory of Microsoft Fabric IQ and where it sits in the wider Microsoft IQ family (Work IQ, Foundry IQ, Web IQ, and Fabric IQ), then move into a full hands-on demo: building a Power BI semantic model on a Lakehouse in OneLake, generating an Ontology, defining entity types, properties, and relationships, running visual graph queries, and finally consuming the ontology inside a Fabric Data Agent using natural language — with zero SQL. Chapters: 00:00 Introduction & Full Agenda — A to Z of Ontologies in Fabric 01:30 What Is Microsoft Fabric IQ? The Enterprise Intelligence Layer 02:05 Work IQ vs Foundry IQ vs Web IQ vs Fabric IQ 04:19 Why Choose Fabric IQ? Key Benefits Explained 04:55 The 3 Layers of Fabric IQ (OneLake, Semantic Model, IQ) 05:54 Ontology Feature in Preview & Where It Fits 07:32 Without Fabric IQ vs With Fabric IQ — Solving AI Hallucination 10:49 What Is an Ontology? Entities, Properties & Relationships 13:21 Required Power BI Admin Center Tenant Settings 14:10 Enabling Copilot & Azure OpenAI for the Fabric Data Agent 15:24 Demo: Lakehouse Setup with Product, Store, Sales & Freezer Tables 16:38 Building a Semantic Model on the Lakehouse 17:57 Establishing Fact-to-Dimension Relationships 19:09 Generating the Ontology from the Semantic Model 20:06 Exploring Entity Types, Properties & the Ontology Graph 22:44 Renaming Entities for Business Context (Store, Product, Sales) 24:47 Defining the Entity Type Key (Primary Key) for the Fact Table 28:13 Naming Ontology Relationships (Sold, etc.) 31:49 Building & Running Visual Graph Queries (Add Node, Filters, Card View) 35:35 Using the GQL Query Code Editor 35:58 Consuming the Ontology in a Fabric Data Agent 36:53 Creating the Retail Ontology Data Agent 37:29 Adding the Ontology as a Data Source & Agent Instructions 38:43 Testing Natural Language Questions (Top 5 Products by Revenue) 39:56 Visualizing Answers as a Bar Graph 41:20 End-to-End Recap: Zero-SQL Natural Language Querying 43:00 Key Takeaways & Wrap-Up 🔗 Resources Mentioned Microsoft Learn — What is Fabric IQ?: https://learn.microsoft.com/fabric/iq... Microsoft Learn — What is Ontology (preview)?: https://learn.microsoft.com/fabric/iq... Fabric IQ landing: https://aka.ms/FabricIQ (Ontology is in preview — always check the latest official Microsoft docs for current availability) 🔁 Why Ontology over plain semantic models? A semantic model is technical — tables, columns, relationships, and DAX measures built for reporting. An ontology is conceptual — it describes what things are and how they connect, in business language both humans and AI agents can read. One ontology concept can map across many tables and sources, giving agents a single, governed source of meaning so answers stay consistent and explainable. 👍 Enjoyed this video? If this helped, smash that LIKE button, SUBSCRIBE, and ring the 🔔 bell so you never miss a Power Platform & Fabric tutorial. Drop your questions in the comments — I read and reply! #MicrosoftFabric #FabricIQ #Ontology #PowerBI #DataAgent #OneLake #MicrosoftFabricTutorial #SemanticModel #AIAgents #DataEngineering #PowerPlatform #MicrosoftAzure #AzureOpenAI #EnterpriseAI #FabricTutorial #DataAnalytics #NL2Ontology #BusinessIntelligence #MicrosoftLearn #FabCon2026 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎓 LIVE TRAINING WITH DHRUVIN ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Looking for interactive, Q&A-focused live training on Power Platform? 👉 Visit: www.powerplatformtrainings.com 📣 Power Pages Training starts in May — check the website for details! ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎬 YOUTUBE MEMBERSHIP ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 👉 Join Premium Membership:    / @iamdhruvinshah   Follow me on all social media handles: https://linktr.ee/dhruvin.shah ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📢 CONNECT WITH DHRUVIN ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🐦 Twitter/X: @DhruvinShah16 📸 Instagram:   / powerplatformguy   🌐 Website: www.powerplatformtrainings.com ▶️ YouTube: @DigitalDhruvin | @iamdhruvinshah ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ #MicrosoftFabric #FabricIQ #Ontology #PowerBI #DataAgent #OneLake #AIAgents #DataEngineering #EnterpriseAI #PowerPlatform