Ontologies 101 – Introduction – Your First i2b2 Ontology
Ontologies 102 – Patient Counts ("totalnum")
Ontologies 103 – Comments
Ontologies 104 – New Query Breakdowns
Ontologies 201 – Additions and Modifications
Ontologies 202 – Role-Based Permissions
Ontologies 203 – Concept Modifiers
Appendix A – i2b2 Ontology Tables
Appendix B – Test Queries
Appendix C – Advanced Ontologies
