RIMBAA
The RIM Based Application Architecture working group (RIMBAA) serves as a focus for those who are interested in using the RIM for application and database design, and to promote the development of HL7 Version 3-compliant applications.
The benefits of RIM based applications are not limited to accepting and creating ITS platform specific RIM based messages and documents. The RIM can be used as a universal model for designing both applications and databases. This has the advantage that it saves time and resources by not having to design new one-of application frameworks and databases.
Reference Implementation
The RIMBAA working group creates and maintains a JAVA based reference implementation which serves as both a tool in aid of the development of RIM based applications, as well as an example of an application in which the internal as well as the persistence layers are completely RIM based. The implementation and documentation can be found at http://aurora.regenstrief.org/javasig/wiki