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This wiki page will try to provide a better understanding of the i2b2 ontology model and its versatility to address common problems. After a short introduction to the terminology and the database schema, it will also mention advanced features like modifiers and XML blobs.

Best practices for i2b2 ontology construction will also include:

• Creating an optimal hierarchy of rusers
• Naming concepts and folders
• Using concepts vs. using modifers
• Using XML blobs
• Partitioning of the i2b2 ontology tables
• Miscellaneous

Contents