Mastering Ontology Engineering with Protégé and Pizza.owl

This is not a static textbook. It is a living, evolving guide — written in the open and updated continuously alongside a complete video tutorial series.

Protégé Pizza transforms the legendary pizza.owl tutorial into a structured, professional learning experience. It bridges the gap between semantic theory and real-world implementation, taking you step by step from your first class in Protégé to the architecture of executable knowledge systems.

What makes this book different:

• Hands-on from the start: Build a working ontology while you learn — no prior experience required.
• Theory and practice in sync: Every concept is paired with Protégé workflows, reasoning exercises, and verification steps.
• Architectural depth: Learn not just how to model, but why modeling decisions matter for governance, reasoning, and enterprise-scale knowledge graphs.
• The SKDL framework: Follow a seven-stage Semantic Knowledge Development Lifecycle that turns conceptual models into executable intelligence.
• Living content: Get lifetime updates as the book and video series evolve — no DRM, no hidden fees.

Whether you are an enterprise architect, AI engineer, knowledge graph practitioner, or a curious learner, this book gives you a repeatable methodology for engineering machine-understandable meaning.

The journey begins with pizza. But the real subject is meaning.

Includes free access to the complete open-source GitHub repository: code snapshots, reference models, and a growing community of ontology engineers.

Get the Leanpub edition and support the creation of more open semantic engineering content.