Lecture Outline Basic ldeas of owl 2. The OWL Language 3. Examples 4. The oWL Namespace 5. Future Extensions 20 Chapter 4 A Semantic Web primerChapter 4 A Semantic Web Primer 20 Lecture Outline 1. Basic Ideas of OWL 2. The OWL Language 3. Examples 4. The OWL Namespace 5. Future Extensions