I am please to share that the ebXML RegRep TC published the latest draft of RegRep 4 specifications:
This version of the specification has numerous improvements. The major new feature is the Registration Procedures features set based upon ISO 19135. This feature set provides well defined business processes for the governance of information registered in an ebXML RegRep.
The RegRep TC is interested in feedback on its latest specifications.
The ebXML RegRep 4 specifications have been implemented byWellfleet Software's WellGEO RegRep product which has been deployed at sevreal major institutions. The Open Geospatial Consortium (OGC) has established an ebXML RegRep SWG whose charter is to define a spatial extension profile for ebXML RegRep 4.