A collection of the cumulative concept work of the OpenMRS community, shared and viewable in such a way to allow commonly used conventions to become de facto standards.
To read about why to use the OCC, see the OCC Justification
An alpha build of the occ server can be found at http://go.openmrs.org/occ .
OpenMRS installations can connect to the OCC straight from OpenMRS. The concept search interface has several hooks into the occ and there are several admin pages allowing admins to upload/download concepts. Install the OCC Module to start getting the benefits.
You must have an Implementation Id defined in order to use the OCC.
The schema in the occ is very similar to the concept_* tables in OpenMRS. The main additions are:
TODO: Update datamodel image of the tables in the occ