== i2b2 Ontology and CRC Discussion: 1 ==
Questions asked and points to ponder. Access to the demo database is useful here...

=== Ontology Cell tables compared to CRC concept_dimension table ===
There are thress ontology tables within the demo Ontology cell: birn, i2b2 and custom_meta.[[br]] 
When I do a select count(*) where c_visualattribute like '%LA%' I get:
   * birn: 37
   * custom_meta: 0
   * i2b2: 93807